Safety in Yellowstone National Park (2025 Guide)

Yellowstone is a wild, beautiful, and sometimes hazardous environment. Following safety guidelines is essential for your well-being and for protecting the park’s unique resources. [NPS: Safety in Yellowstone]

Wildlife Safety

• Stay at least 100 yards (91 m) from bears and wolves, and 25 yards (23 m) from all other animals (bison, elk, etc.).
• Never approach, feed, or disturb wildlife. Use binoculars or a telephoto lens for viewing and photography.
• Carry bear spray and know how to use it. [Bear Safety]
• Store food, trash, and scented items in bear-proof containers or provided storage boxes.

Thermal Area Safety

• Stay on boardwalks and marked trails in all thermal areas. The ground can be thin and break under weight, exposing boiling water below.
• Never touch thermal features or throw objects into them.
• Supervise children closely; pets are not allowed on boardwalks or trails in thermal areas.

Weather & Environmental Hazards

• Weather changes rapidly—bring layers, rain gear, and sun protection year-round.
• Most of the park is above 6,000 feet; acclimate to altitude and stay hydrated.
• Download or print maps before arrival; cell service is limited outside developed areas.
• Carry water, snacks, and a first aid kit on all hikes.

Emergency & Medical Services

• In an emergency, call 911 or contact a park ranger.
• Medical clinics are located at Mammoth, Lake, and Old Faithful (seasonal). Nearest hospitals are in Cody, WY and Bozeman, MT.
• For up-to-date conditions and alerts, visit the NPS Current Conditions page.

Review safety information at visitor centers and on the official Yellowstone website before your trip. Your safety is your responsibility—be prepared and stay alert!