Mount Washburn is a 6.2 mi trail with 1,400 ft of climbing — about 2h 45m of moving time before you stop for anything. Dogs are not allowed, and we rate it comfortable from age 10. About 10% of it is shaded, and no refill point is recorded on the route.
Underfoot & overhead exposed summit
6.2 mi and 1,400 ft of climbing work out to 2h 45m of moving time — before you stop for anything. No refill is recorded on the route — you carry all of it. Informational only, not medical advice.
Get the fall refuel plan →NAISMITH · CDC · ACSM · how these numbers are worked out
In July, Yellowstone National Park runs around 78°F at the main visitor elevation, and this route gives you almost nothing to hide under. With no refill recorded on the route, everything you drink starts in your pack.
49°F · Partly Sunny · wind 1 to 7 mph
NOAA forecast for Yellowstone National Park — not for this trailhead specificallyThe last day to enjoy most of the park in a regular vehicle is October 31. Most roads will open to guided oversnow tours on December 15 (weather permitting). The road between the North and Northeast entrances is the...
Live NPS alert for Yellowstone National Park · sourceExpect a single lane of traffic with up to 15-minute delays, 24 hours a day, seven days a week, from April 1 through November 24, 2026. Oversized/overweight vehicles (8'6"+ wide, 75'+ long, 80,000 lbs+ gross vehicle...
Live NPS alert for Yellowstone National Park · sourceAbout 2h 45m of moving time for 6.2 mi and 1,400 ft of climbing — that is Naismith's planning rule, so it counts walking only, with nothing for photos, lunch or the queue at the top.
Planning figures for that much moving time are 1.4–2.8 L, cool day to hot. No refill point is recorded on the route, so you carry all of it. Informational only, not medical advice.
No — Mount Washburn is closed to dogs. Our Yellowstone National Park dog guide lists the trails where they are welcome, plus boarding and the nearest 24/7 vet.
We rate it comfortable from age 10. It is not a stroller route. That rating is our own hand-check of length, footing and exposure, not an official NPS grade.
About 10% of the route is shaded, and Yellowstone National Park peaks around 78°F in its hottest month. The less shade a route has, the more of it you want behind you before midday.
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