Mariposa Grove (Grizzly Giant Loop) is a 2 mi trail with 300 ft of climbing — about 50m of moving time before you stop for anything. Dogs are not allowed, and we rate it comfortable from age 5. About 80% of it is shaded, and there is water on the route to refill from.
Underfoot & overhead giant sequoias
2 mi and 300 ft of climbing work out to 50m of moving time — before you stop for anything. There is water on the route to refill from. Informational only, not medical advice.
Get the summer refuel plan →NAISMITH · CDC · ACSM · how these numbers are worked out
In July, Yosemite National Park runs around 90°F at the main visitor elevation.
48°F · Clear · wind 0 mph
NOAA forecast for Yosemite National Park — not for this trailhead specificallyWhen the park is very busy, you can get updates on current traffic conditions in Yosemite by texting ynptraffic to 333111.
Live NPS alert for Yosemite National ParkAbout 50m of moving time for 2 mi and 300 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 0.4–0.8 L, cool day to hot. There is water on the route, so you can refill. Informational only, not medical advice.
No — Mariposa Grove (Grizzly Giant Loop) is closed to dogs. Our Yosemite 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 5. It is not a stroller route. That rating is our own hand-check of length, footing and exposure, not an official NPS grade.
About 80% of the route is shaded, and Yosemite National Park peaks around 90°F in its hottest month. The less shade a route has, the more of it you want behind you before midday.