Yellowstone Trail RV Park
Hiking business nearby (~48 mi away) — hasn't claimed their Roamze page yet
Union Pass Trail
Wyoming
Wyoming
Free — you'll pick up right here.
2.1 mi
Distance
831 ft
Gain
58 min
Time
No verdict for this trail
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Shoshone National Forest
2 managing-area boundaries mapped — agency alerts for them feed this page automatically.
Boundary data
What's missing
No access route mapped
We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.
Nobody's filed a report here yet — be the first.
Why you'll love it
Through-trail
Out & back
Here's your day, mapped
Union Pass Trail
Suggested plan · check conditions before you go
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Elevation & route
- Distance
- 2.1 mi
- Elevation gain
- 831 ft
- Elevation loss
- 831 ft
- Highest point
- 9,004 ft
- Lowest point
- 8,580 ft
More about this trail ↓
Photos
Directions & GPX
Permits & access
- Managing agency
- Forest Service
About this trail
Union Pass Trail is a 4.12-mile out-and-back route in Wyoming with 831 feet of elevation gain and loss. The trail reaches a maximum elevation of 9,004 feet.
Facts about this trail
The climb
- Starts at
- 8,584 ft
- High point
- 9,004 ft
- Total climbing
- 831 ft
- Total descent
- 831 ft
- Steepest stretch
- 12% grade right from the start
- Length (round trip)
- 4.1 mi
- Shape
- Out and back
It rolls up and down the whole way rather than holding one long climb.
Source: Roamze elevation profile and trail geometry (DEM samples along the mapped route)
Where it is
- Wind River Ranger District · Ranger district
- Shoshone National Forest · National forest
- Managed by
- Forest Service
Conditions
Active alerts for Wind River Ranger District as of Oct 9, 2026:
Over-Snow Vehicle, Road and Trail Prohibitions
information · posted Aug 24, 2026
Source: USFS forest alerts
Nearby
- Warm Springs DispersedCamping1.7 mi
- Geyser Creek TrailHiking3.4 mi
- Warm Spring CreekCanoeing4 mi
- Green Creek Camping AreaCamping5.9 mi
- Claude TrailHiking7.4 mi
- Sheridan CreekCamping7.6 mi
- Rise And Schiner TrailHiking8.3 mi
- Wind RiverCanoeing9.4 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
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Map and trail data © OpenStreetMap contributors
Guided trips nearby
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The Virginian RV Park
Hiking business nearby (~49 mi away) — hasn't claimed their Roamze page yet
