Grinnell Trailhead Trail
- 4.1 mi
- round trip
- 544 ft
- climb
- 7,082 ft
- high point
- Out and back
- route
- Jun–Aug
- best months
Caution at last check
Agency alerts are in effect for this area; weather is good · USFS, OpenWeather · checked 13 h ago
Is Grinnell Trailhead Trail open right now?
Alert in the area
The Forest Service lists an alert for Shoshone National Forest.
Morrison Jeep Trail
Agency alert covering Shoshone National Forest · USFS · Shoshone National Forest
As of · Source: USFS · Shoshone National Forest. Agencies don't list every closure — check before you go.
Grinnell Trailhead Trail is a 4.1-mile out-and-back hike in Wyoming's Shoshone National Forest, within the Wapiti Ranger District. The trail rises from about 6,680 feet to about 7,082 feet, a climb of 544 feet, and is rated moderate. The Forest Service manages the land, and the trail is accessible. The trail is natural-surfaced and open to horses and bikes. Threemile Campground sits just 0.3 miles away, and Eagle Creek Campground is about 3.3 miles off. The Crow Cr Trail and West Grinnell Cr Trail both lie within about 1.7 miles. Summer is the most comfortable time to go. Typical averages from a nearby weather station show July highs around 78°F with lows near 39°F, while winter highs stay in the 20s and 30s. The trail is open year-round, and the Pahaska Trailhead parking area is the trailhead for this route.
Local outfitters
- Swift Creek Outfitters46 mi away
Not on Roamze yet. Their page has how to reach them.
- Threemile CampgroundCamping0.3 mi
- Crow Cr TrailHiking1.6 mi
- West Grinnell Cr TrailHiking1.7 mi
- Grinnell Cr TrailHiking2.5 mi
Eagle Creek CampgroundCampingPhoto: Betty Jo Tindle, CC BY-SA 3.0 (via Wikimedia Commons)3.3 mi
North Fork Shoshone RiverCanoeingPhoto: Paul Hermans, CC BY-SA 4.0 (via Wikimedia Commons)7.3 mi
- Newton Creek CampgroundCamping9.7 mi
- Fishhawk CreekCanoeing9.7 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
- Eagle Pass Trailhead (6K1)Hiking · ~21 min drive
- Mountain Creek TrailHiking · ~26 min drive
- West Grinnell Cr TrailHiking · ~3 min drive
- Pelican Springs Cabin TrailHiking · ~24 min drive
- Pelican Cone TrailHiking · ~27 min drive
Goff Cr TrailHiking · ~10 min drivePhoto: Barbara Ann Spengler from Arizona & Florida, USA, CC BY 2.0 (via Wikimedia Commons)- Libby Cr TrailHiking · ~8 min drive
- Dike Creek TrailHiking · ~26 min drive
- Turbid Lake TrailHiking · ~28 min drive
Fishawk Cr TrailHiking · ~11 min drivePhoto: Barbara Ann Spengler from Arizona & Florida, USA, CC BY 2.0 (via Wikimedia Commons)
Also worth it near here
- Sleeping Giant Winter Sports AreaDownhill skiing · Next door
- Buffalo Bill Cody Scenic BywayScenic drive · ~5 min drive
Eagle Creek CampgroundCamping · ~6 min drivePhoto: Betty Jo Tindle, CC BY-SA 3.0 (via Wikimedia Commons)
North Fork Shoshone RiverCanoeing · ~12 min drivePhoto: Paul Hermans, CC BY-SA 4.0 (via Wikimedia Commons)
Best time to visit Grinnell Trailhead Trail
Best months: June–August. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
30° / 4°
Feb
32° / 6°
Mar
39° / 11°
Apr
47° / 22°
May
57° / 30°
Jun
67° / 35°
Jul
78° / 39°
Aug
77° / 37°
Sep
67° / 31°
Oct
51° / 23°
Nov
37° / 13°
Dec
28° / 5°
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Yellowstone Np E Ent, WY, 2.9 mi away at 6,954 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.