Is Yosemite safe? An honest guide for visitors
Short answer
Yosemite is safe for visitors who follow park rules; crime is not the main concern. The realistic risks are natural: fast water near waterfalls, falls from slippery rock, heat, altitude and weather, and black bears attracted by food. Most visitors have no problems.
The real risks
Rivers and waterfalls
Swift, cold water near the Mist Trail, Vernal Fall and the Merced River is the most serious danger, especially in spring. Stay behind railings and never wade above waterfalls.
Slippery rock
Granite steps and slabs on the Mist Trail are wet and slippery. Wear good shoes and stay on the trail.
Bears and food
Black bears break into cars for food. Store all food and scented items in bear lockers, never in your car, and keep at least 50 metres from any bear.
Heat and altitude
Valley highs reach about 30–32°C in July and August, while Tuolumne Meadows is at around 2,600 metres. Carry water, start hikes early and watch for altitude symptoms.
Thunderstorms
Afternoon storms are common in the high country in summer. Never climb Half Dome's cables in rain or when storms threaten.
Wildfire smoke
Smoke from wildfires can affect air quality in summer and autumn. Check conditions on the NPS website.
Areas and times to take care
The Valley floor, Yosemite Village, Curry Village and the lodges are busy and safe. Risks rise on trails above waterfalls and on long hikes; tell someone your route, carry a map and turn back if the weather changes.
Getting around safely
A car is the usual way to reach the park; the YARTS bus from Merced runs up Highway 140 to the Valley. Inside the Valley, use the free shuttle. Drive slowly, watch for wildlife and pedestrians, and check road status: Tioga Road and Glacier Point Road close in winter, and chains may be required.
Solo and women travellers
Yosemite is popular with solo travellers, including women. The main precautions are practical: tell someone your hiking plans, carry a map (phone coverage is patchy), start early, and stay in the Valley or a well-reviewed lodge.
Health, water and heat
Drink tap water in the developed areas; treat any water from streams and lakes. Sun, heat and dehydration are common problems in summer, and altitude can affect visitors in Tuolumne. Medical care in the park is limited; carry travel insurance.
Official travel advice
Check your government's advice before you travel — it is updated when things change.
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Common questions
Is Yosemite safe?
Yes, if you follow park rules. The main dangers are fast water near waterfalls, slippery rock, heat and storms.
Are bears dangerous in Yosemite?
Black bears are usually shy but attracted by food. Store all food in bear lockers and never feed or approach a bear.
What is the emergency number in Yosemite?
911 for police, ambulance, fire and park rangers.