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The Safest (and Most Dangerous) National Parks in the United States

“A national park is not a playground. It’s a sanctuary for nature and for humans who will accept nature on nature’s own terms.” This quote from Michael Frome, a writer, educator, and conservationist, is a great reminder of the power of the natural elements that exist within our national parks and that their potential for danger should not be overlooked. Some of the parks within our National Park System are more rugged and challenging to traverse than others, so it is important to know what to expect before you visit, explore, and enjoy.

 In this in-depth study, the Cocoweb research team has ranked all 63 U.S. national parks based on our National Park Safety Index scoring system to determine the most dangerous and safest national parks in the United States. Explore our report and the visual below to see which national parks are home to some of the most dangerous animals, have the most extreme weather, or the highest fatality rate among visitors; and which national parks are quite literally a walk in the park.

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Continued: The Safest and Most Dangerous National Parks in the U.S. (21-30)

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What is a National Park?

A national park is an area of land that is protected by the federal government for the purpose of conservation and public recreation. There are 63 national parks in the National Park System, with the largest concentration of national parks found in California (9) and Alaska (8). Americans and people from around the world have been enjoying the national parks of the United States for more than a century. The first national park, Yellowstone, was established in 1872 and the most recent national park, New River Gorge, was established in 2020. Will there ever be a 64th national park? We can only hope!

What is the Safest National Park?

The safest national park is Gateway Arch National Park. Gateway Arch is the smallest national park in the U.S. at just 91 acres in size. It is located in the city of St. Louis, Missouri just along the Mississippi River. The park is known for its namesake, an iconic steel arch that protrudes 630 feet up into the sky. The Gateway Arch’s designation as a national park in 2018 has become a controversial topic as many believe that it lessens the significance of a national park and was done to promote tourism rather than to conserve nature. Gateway Arch National Park has not had any fatalities or search and rescue (SAR) incidents, does not contain any dangerous animals, and has excellent public WiFi. The park earned a score of 16.65 out of 100 possible points for its lack of dangerous elements.

 Which national park not within city limits is considered the safest? The park that was found to be the second safest on our National Park Safety Index was Indiana Dunes National Park with a score of 17.09. The national park does not have any dangerous animals and a low vertical elevation, lessening the potential for deadly falls. Since 2007 there have been 28 fatalities, which amounts to a low rate of just 0.79 fatalities for every one million visitors. A majority of the fatalities were caused by drowning as Indiana Dunes National Parks runs for 20 miles along the southern shore of Lake Michigan. 

The 10 Safest National Parks

  1. Gateway Arch National Park
  2. Indiana Dunes National Park
  3. Mammoth Cave National Park
  4. Petrified Forest National Park
  5. Cuyahoga Valley National Park
  6. Channel Islands National Park
  7. Haleakalā National Park
  8. New River Gorge National Park
  9. Congaree National Park
  10. Virgin Islands National Park

What is the Most Dangerous National Park?

The most dangerous National Park is North Cascades National Park in the state of Washington. North Cascades National Park was given a score of 68.04 out of a total of 100 points that could be earned on our National Park Safety Index. Why is North Cascades National Park dangerous? The park is almost entirely protected wilderness with few roads, paths, or structures. Due to its remoteness, the park only receives around forty thousand visitors each year. While North Cascades National Park doesn’t get as many visitors as other parks, the rate of fatalities and search and rescue incidents in the park occur at a much higher rate than other parks. Between 2007 and 2023, there were 26 fatalities in the park, ten of which were caused by a fall. Mountaineering is a popular activity there as the peaks of the North Cascades mountain range run through the park. 

 In addition to high elevations which allow for dangerous situations, North Cascades National Park is also home to several dangerous animals. Of the dangerous animals considered, black bears are the most common, although and brown bears can be found in the park occasionally as well. Mountain lions, moose, and rattlesnakes are uncommon but can be found in North Cascades on rare occasions. The fact that North Cascades National Park does not have public WiFi and cell coverage is very limited means a dangerous situation can become even more critical if it becomes difficult to get help in such rugged wilderness. 

 The 10 Most Dangerous National Parks

  1. North Cascades National Park
  2. Lake Clark National Park
  3. Denali National Park
  4. Wrangell-St. Elias National Park
  5. Isle Royale National Park
  6. Gates of the Arctic National Park
  7. Sequoia & Kings Canyon National Park
  8. Grand Teton National Park
  9. Yellowstone National Park
  10. Glacier Bay National Park

How to Stay Safe in a National Park

Even if you’re exploring one of the safest national parks, it’s still important to follow common safety tips to ensure that your trip to one of America’s national parks doesn’t end in disaster. We created a list of the top safety tips to follow when visiting a national park.

 National Park Safety Tips

  1. Bring emergency supplies: first-aid kit, sunscreen, map or compass, tent or tarp for shelter, and flashlight
  2. Bring water and stay hydrated. 
  3. Bring food and store it properly. 
  4. Remain on marked paths and roads. 
  5. Obey all signs and fliers in the park.
  6. Do not go near or interact with wildlife. 
  7. Be careful in water as lifeguards may not be present in all swimming areas. 
  8. Be cautious and avoid risky behavior such as taking a photo on dangerous terrain. 
  9. Wear weather-appropriate clothing, especially if the park has higher or lower-than-average temperatures.

 Love National Parks?

Do you love national parks? Bring the beauty of the National Park System into your home with a stunning photograph or painting from one of our many featured artists. The collection of national park photographs and artwork highlights the most iconic landmarks and wild animals that can be found in national parks across the United States. Discover incredible chasms carving through rock, stunning mountain ranges that feel as though they’re from another planet, and a multitude of other pieces featuring natural landscapes, wildlife, and more. 

 And if you’re an artist who specializes in national park art or photography, learn more about our art seller program.

The Safest National Parks

 National ParkState2023 VisitorsFatalities 2007-2023Fatalities per Million VisitorsMost Common Cause of FatalitiesDangerous Animals Present in the Park (abundance of the animal within the park)Highest Average TempLowest Average TemperatureRecord High TemperatureRecord Low TemperatureAverage Number of Search-And-Rescue (SAR) Incidents per YearSAR Incidents per million visitors every yearVertical Relief in elevation (in feet)Does the park have Cell Service?Do the Visitor Centers have Public Wifi?TOTAL SCORE
1 Gateway Arch Missouri 2,422,836 0  -   -  none 88°F 21°F 105°F -19°F 0 0.00 37 Spotty Yes 16.65
2 Indiana Dunes Indiana 2,765,892 28 0.79 Drowning (21) none  81°F 18°F 102°F -22°F 16 7.70 323 Yes, spotty in some areas Yes 17.09
3 Mammoth Cave Kentucky 654,450 10 1.12 Medical (3), Motor Vehicle (3) Rattlesnake (Uncommon) 89°F 24°F 108°F -21°F 14 26.76 504 Limited Yes 19.12
4 Petrified Forest Arizona 520,491 0  -   -  Black Bear (Occasional), Rattlesnake (Common) 92°F 21°F 107°F -27°F 0 0.54 1034 Yes Yes 19.65
5 Cuyahoga Valley Ohio 2,860,059 28 0.67 Medical/Motor Vehicle (5) none 84°F 20°F 103°F -22°F 6 2.59 574 Yes No 19.76
6 Channel Islands California 328,746 14 2.62 Drowning (7) white shark (Occasional) 74°F 45°F 103°F 28°F 11 34.93 2450 Yes, spotty in some areas No 20.59
7 Haleakala Hawaii 791,292 14 0.81 Motor Vehicle (3) none 83°F 64°F 94°F 47°F 2 1.96 10023 Yes, spotty in some areas No 20.81
8 New River Gorge West Virginia 1,707,223 0  -   -  Black Bear (Uncommon), copperhead (Common), Rattlesnake (Uncommon)  78°F 19°F  - °F  - °F 12 9.67 2391 Spotty Yes 21.41
9 Congaree South Carolina 250,114 1 0.41 Suicide (1) Alligator (Unknown), Copperhead Snake (Unknown), Cottonmouth Snake (Common), Rattlesnake (Unknown)  56°F 34°F 104°F 9°F 0 0.00 60  -  Yes 21.52
10 Virgin Islands US Virgin Islands 343,685 39 6.32 Drowning (15) Bullshark (Unknown), Blacktip Shark (Unknown), Hammerhead Shark (Unknown)  87°F 67°F 96°F 60°F 1 3.67 1277 Yes, spotty in some areas Yes 22.17
11 Lassen Volcanic California 418,978 4 0.54 Motor Vehicle (2) Mountain Lion (Rare), Black Bear (Uncommon)  80°F 22°F 100°F -9°F 15 34.29 5182 Very limited Yes 22.93
12 White Sands New Mexico 729,096 6 0.65 Hyperthermia (3) Mountain Lion (Unknown), Rattlesnake (Unknown)  94°F 31°F 110°F -14°F 9 16.63 229  -   -  23.23
13 Shenandoah Virginia 1,576,008 40 1.77 Medical (7)  Rattlesnake (Common) 86°F 19°F 102°F -10°F 44 32.90 3521 Limited Yes 23.95
14 Hawai’i Volcanoes Hawaii 1,620,294 14 0.57 Motor Vehicle (7) none 73°F 50°F 93°F 31°F 6 3.91 13679 Yes, spotty in some areas No 24.11
15 Bryce Canyon Utah 2,461,269 3 0.10 Medical (2) Mountain Lion (Unknown), Black Bear (Unknown), Rattlesnake (Unknown) 78°F 9°F 98°F -26°F 37 20.55 2550 Yes, spotty in some areas Yes 24.18
16 Hot Springs Arkansas 2,502,967 5 0.19 Motor Vehicle (3) Black Bear (Unknown), Copperhead (Uncommon), Cottonmouth (Common)  94°F 30°F 115°F -5°F 5 3.18 990 Yes No 24.39
17 Biscayne Florida 571,242 17 1.86 Drowning (7) Crocodile (Common), Coral Snake (Uncommon), Rattlesnake (Common), Bull Shark (Uncommon), Blacktip Shark (Common), Tiger Shark (Unknown), Hammerhead Shark (Unknown)  87°F 63°F 98°F 32°F 5 9.94 9 Yes, spotty in some areas Yes 24.81
18 Joshua Tree California 3,270,404 31 0.85 Fall (8) Mountain Lion (Uncommon), Black Bear (Occasional), Rattlesnake (Common)  106°F 35°F 118°F 10°F 35 16.55 4033 Very limited yes 25.88
19 Zion Utah 4,623,238 56 0.91 Fall (29) Mountain Lion (Unknown), Black Bear (Unknown)  101°F 30°F 115°F -15°F 95 26.15 5086 Spotty Yes 26.00
20 Guadalupe Mountains Texas 227,340 6 1.92 Motor Vehicle (3) Mountain Lion (Unknown), Black Bear (Unknown), Rattlesnake (Unknown),  85°F 31°F 105°F 0°F 13 72.56 5113 Yes, spotty in some areas Yes 26.05
21 Kenai Fjords Alaska 387,525 0  -   -  Moose (Common), Black Bear (Common), Brown Bear (Uncommon) 62°F 21°F 95°F -19°F 4 13.11 6450 Yes, spotty in some areas Limited 26.07
22 Badlands South Dakota 1,046,400 8 0.49 Motor Vehicle (3) Bison (Common), Mountain Lion (Rare), Rattlesnake (Common) 88°F 7°F 114°F -45°F 2 1.73 975 Yes, spotty in some areas Yes 26.62
23 Acadia Maine 3,879,890 29 0.58 Fall (7) Moose (Rare), Black Bear (Occasional) 80°F 10°F 96°F -21°F 27 9.33 1530 Very Limited No 26.79
24 Kobuk Valley Alaska 17,616 0  -   -  Moose (abundant), Black Bear (Unknown), Brown Bear (Unknown)  60°F -10°F 85°F -58°F 0 0.00 4720 Limited Yes 26.83
25 Redwood California 409,105 27 3.72 Motor Vehicle (8) Mountain Lion(Uncommon), Black Bear (Common), Rattlesnake (Uncommon) 66°F 39°F 93°F 19°F 6 13.26 3170 Very limited No 27.74
26 Canyonlands Utah 800,322 20 1.95 Fall (5) Mountain Lion (Rare), Black Bear (Rare), Rattlesnake (Uncommon) 93°F 15°F 107°F -16°F 41 67.32 3390 Limited Limited 27.90
27 Arches Utah 1,482,045 13 0.59 Medical (6) Mountain Lion (Rare), Black Bear (Rare), Rattlesnake (Unknown)  94°F 19°F 107°F -14°F 67 51.76 1693 Spotty No 28.15
28 Olympic Washington 2,947,503 45 0.88 Medical (9) Mountain Lion (Common), Black Bear (Common)  72°F 34°F 102°F 4°F 68 22.53 7962  -   -  28.24
29 Carlsbad Caverns New Mexico 394,121 2 0.29 Hyperthermia (2) Mountain Lion (Unknown), Blackbear (Unknown), Rattlesnake (Unknown) 90°F 33°F 106°F -4°F 2 4.96 2939 Very limited No 28.77
30 Glacier Montana 703,659 42 1.00 Fall (13) Moose (Common), Mountain Lion (Uncommon), Black Bear (Uncommon), Brown Bear (Uncommon) 79°F 15°F 99°F -36°F 55 22.30 7316 Yes Limited 29.27
31 Great Sand Dunes Colorado 512,219 5 0.78 Hypothermia (2) Mountain Lion (Rare), Black Bear (Rare), Rattlesnake (Rare) 80°F 8°F 96°F -25°F 3 7.97 6090 Limited No 29.52

The Most Dangerous National Parks

 National ParkState2023 VisitorsFatalities 2007-2023Fatalities per Million VisitorsMost Common Cause of FatalitiesDangerous Animals Present in the Park (abundance of the animal within the park)Highest Average TempLowest Average TemperatureRecord High TemperatureRecord Low TemperatureAverage Number of Search-And-Rescue (SAR) Incidents per YearSAR Incidents per million visitors every yearVertical Relief in elevation (in feet)Does the park have Cell Service?Do the Visitor Centers have Public Wifi?TOTAL SCORE
1 North Cascades Washington 40,351 26 57.94 Fall (10) Moose (Rare), Mountain Lion (Uncommon), Black Bear (Common), Brown Bear (Occasional), Rattlesnake (Uncommon)  76°F 30°F 108°F -4°F 24 921.91 8601 Very limited No 68.04
2 Lake Clark Alaska 16,728 4 17.44 Other Transportation (2) Moose (Common), Black Bear (Common), Brown Bear (Common)  67°F 7°F 89°F -55°F 4 296.50 10197 No No 62.82
3 Denali Alaska 498,722 65 8.46 Fall (25) Moose (Common), Black Bear (Unknown), Brown(Grizzly) Bear (Unknown,  70°F -9°F 93°F -52°F 39 87.04 20070 Very limited Yes 52.06
4 Wrangell-St. Elias Alaska 78,305 9 7.83 Drowning (4) Bison (Unknown), Moose (Uncommon), Black Bear (Unknown), Brown Bear (Unknown)  71°F -11°F 89°F -55°F 6 93.70 18008  -   -  49.04
5 Isle Royale Michigan 28,965 2 5.98 Medical (1) Moose (Common)  75°F -3°F 95°F -43°F 14 728.11 794 No No 46.68
6 Gates of the Arctic Alaska 11,045 0  -   -  Moose (Common), Black Bear (Occasional), Brown Bear (Common)  71°F -19°F 93°F -70°F 5 493.70 7996  -  No 43.33
7 Sequoia & Kings California 980,567 91 5.04 Fall (32) Mountain Lion (Uncommon), Black Bear (Common), Rattlesnake (Common),  71°F 16°F 114°F 17°F 168 157.93 13145 Very limited Yes 42.22
8 Grand Teton Wyoming 3,417,106 64 1.25 Fall (27) Bison (Common), Moose (Common), Mountain Lion (Unknown), Black Bear (Common), Brown Bear (Common) 78°F 2°F 92°F -63°F 75 24.83 7460  -   -  41.39
9 Yellowstone Wyoming 4,501,382 70 1.10 Motor Vehicle (17) Bison (Abundant), Moose (Uncommon), Mountain Lion (Uncommon), Black Bear (Common), Brown Bear (Common), Rattlesnake (Common)  78°F 1°F 97°F -66°F 124 32.97 6076 Very limited Yes 40.33
10 Glacier Bay Alaska 2,933,616 7 0.03 Other Transportation (3) Moose (Common), Mountain Lion (Rare), Black Bear (Common), Brown Bear (Common)  64°F 20°F 88°F -21°F 8 0.62 15300 No Yes 38.85
11 Great Smoky Mountains Tennessee 13,297,647 134 0.72 Motor Vehicle (50) Black Bear (Common), Copperhead Snake (Common), Rattlesnake (Common)  85°F 25°F 106°F -18°F 66 6.05 5769 No No 36.91
12 Big Bend Texas 509,129 31 4.52 Hyperthermia/Medical (8) Mountain Lion (Unknown), Black Bear (Unknown), Copperhead Snake (Rare), Rattlesnake (Common)  94°F 35°F 114°F 10°F 37 90.85 6110 Very poor to none Yes 35.69
13 Grand Canyon Arizona 4,733,705 185 2.24 Medical (53), Bison (Abundant), Mountain Lion (Uncommon), Black Bear (Rare), Rattlesnake (Common)  84°F 17°F 101°F -20°F 262 53.85 7992  -  Yes 35.54
14 Everglades Florida 810,189 15 0.92 Other transportation (5) Panther (Unknown), Black Bear (Unknown), Alligator (Abundant), Crocodile (Uncommon), Coral Snake (Uncommon), Cottonmouth (Common), Rattlesnake (Common), Blacktip Shark (Uncommon), Hammerhead Shark (Unknown)  90°F 56°F 104°F 25°F 28 29.55 20  -   -  35.52
15 Great Basin Nevada 143,265 1 0.51 Suicide (1) Mountain Lion (Common), Rattlesnake (Common) 86°F 18°F 108°F -26°F 6 54.50 6870 Spotty No 34.76
16 Katmai Alaska 33,763 6 0.01 Other Transportation (4) Moose (Unknown), Brown Bears (Unknown), Black Bears (Unknown)  64°F 7°F 88°F -48°F 4 0.10 7606 Very limited No 32.89
17 Death Valley California 1,099,632 62 3.31 Motor Vehicle (17) Mountain Lion (Rare), rattlensake (Common)  115°F 37°F 134°F 0°F 22 20.27 11328 Limited Yes 32.63
18 Mount Rainier Washington 1,674,294 74 3.33 Fall (26) Mountain Lion (Rare), Black Bear (Common)  74°F 26°F 101°F -8°F 49 37.25 12801 Spotty Yes 32.56
19 Rocky Mountain Colorado 4,115,837 65 1.04 Fall (24) Moose (Uncommon), Mountain Lion (Unknown), Black Bear (Common)  79°F 18°F 96°F -39°F 114 30.77 6629 No Yes 32.31
20 Crater Lake Oregon 559,976 10 1.04 Medical (3) Mountain Lion (Uncommon), Black Bear (Common)  69°F 18°F 90°F -21°F 11 19.43 4939 No No 32.26
21 Black Canyon of the Gunnison Colorado 357,069 0 0.00  -  Mountain Lion (Unknown), Black Bear (Unknown)  87°F 15°F 106°F -27°F 8 33.35 3600 Very poor to none No 32.13
22 Voyageurs Minnesota 220,825 4 1.02 Drowning (2) Moose (Common), Black Bear (Common)  79°F -8°F 103°F -55°F 12 50.57 302  -  No 31.42
23 Theodore Roosevelt North Dakota 746,862 2 0.19 Suicide (1) Bison (Common), Moose (Rare), Mountain Lion (Uncommon) 86°F 4°F 110°F -49°F 11 17.94 920 Very Limited No 31.28
24 Saguaro Arizona 1,010,906 19 0.02 Medical (8) Mountain Lion (Unknown), Black Bear (Unknown), Rattlesnake (Common) 101°F 42°F 117°F 6°F 12 0.22 6486 Spotty No 30.85
25 Yosemite California 3,897,070 173 2.66 Fall (56) Mountain Lion (Uncommon), Black Bear (Common)  90°F 26°F 110°F 6°F 244 63.79 11009 Limited Yes 30.64
26 Mesa Verde Colorado 505,194 5 0.56 Suicide (2) Mountain Lion (Common), Black Bear (Common), Rattlesnake (Common)  84°F 17°F 100°F -20°F 4 6.98 2556  -   -  29.99
27 Pinnacles California 341,220 6 1.51 Fall (2), Medical (2) Mountain Lion (Uncommon), Rattlesnake (Uncommon) 95°F 27°F 116°F 10°F 24 102.43 2480 No No 29.88
28 Wind Cave South Dakota 592,459 4 0.40 Motor Vehicle (4) Bison (Common), Mountain Lion (Rare), Rattlesnake (Abundant)  84°F 10°F 102°F -32°F 4 6.26 1451 Very limited Yes 29.73
29 Dry Tortugas Florida 84,285 6 5.36 Drowning (5) Bull Shark (Unknown), Blacktip Shark (Unknown), Tiger Shark (Unknown)  90°F 65°F 100°F 41°F 1 20.24 10 No No 29.72
30 Capitol Reef Utah 1,268,861 7 0.45 Motor  Vehicle (4) Bison (Rare), Mountain Lion (Rare), Rattlesnake (Common)  85°F 18°F 96°F -17°F 9 9.37 5083 Very poor to none Limited 29.56

Please Note:

  • The National Park of the American Samoa did not have information available for several factors so they were excluded from the study.
  • The Sequoia National Park and Kings Canyon National Park have been ranked together as a single park as most of their data is presented as such.
  • If a national park was missing data for one of the factors, a mid-range score was given to have less effect on the overall score.

Methodology:

The safest and the most dangerous national parks were determined by the total score each national park earned for 6 safety factors. The factors that were considered pertain to the more dangerous aspects of national parks such as the number of fatalities that have occurred in each park, dangerous animals that live in the park, and extreme temperatures that have been recorded in the park. The factors also include the number of search and rescue incidents that take place each year, the difference in elevation within the park (vertical relief) to find where falls are more likely to occur, and the availability of cell service and WiFi throughout the park to be able to contact someone for help. Each factor was assigned a specific number of points, for a total of 100 points that each park can earn based on how dangerous it is. The higher the score a national parks earns, the more dangerous it is considered to be. 

 The Factors:

Fatality Rate per One Million Visitors (out of 20 points) – A higher rate of fatalities proves that there is a higher level of danger within the park. 

Dangerous Animals (out of 20 points) – Points were given for each dangerous animal present in the park, based on how abundant the animal is.

  • Abundant: 4 points
  • Common: 3 points
  • Unknown: 2 points
  • Uncommon/Rare/Occasional: 1 point

Extreme Temperatures (out of 20 points) – Extremely high, or low, temperatures can lead to dangerous situations while exploring the park. 

  • Highest Average Temperature – up to 7 points
  • Lowest Average Temperature – up to 7 points
  • Record High Temperature – up to 3 points
  • Record Low Temperature –  up to 3 points

 Rate of Search-and-Rescue Incidents per Million Visitors (out of 15 points) – The higher the rate of SAR incidents, the more dangerous the park has proven to be. 

Vertical Relief (out of 15 points) – A larger distance between the highest and lowest elevation points in the park increases the likelihood that visitors could fall from a high elevation. 

Cell Service & WiFi (out of 10 points) – If a park lacks cell service and WiFi, it can lead to a dangerous situation if a visitor is in need of help and cannot contact anyone. 

Does the Park Have Cell Service? (up to 6 points)

  • No: 0 points
  • Very poor to none: 1 point
  • Very limited: 2 points
  • Spotty: 3 points
  • Limited: 4 points
  • Yes, spotty in some areas: 5 points
  • Yes: 6 points

Does the Visitors Center Have Wifi?? (up to 4 points)

  • No: 0 points
  • Limited: 2 points
  • Yes: 4 points

Data Sources:

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