Difficulty 3/5 Open now · Season: Yearlong High-clearance vehicles; open to OHVs

Big Swale – Pollywog

Forest Road 30139 · near Antimony, Utah · Managed by Dixie National Forest

9,579 ft8,970 ft0 mi11.3 mi
Route: USDA Forest Service Motor Vehicle Use Map, snapshot 2026-10-30. Elevation: USGS 3DEP. Trailhead 38.13113, -111.84263.
Length
11.4 mi
Elevation gain
938 ft
High point
9,579 ft
Surface
Native material
Nearest town
Antimony

About this trail

Big Swale – Pollywog is an 11.4-mile route (Forest Road 30139) managed by Dixie National Forest, Utah. The trailhead is about 7.9 miles from Antimony. Elevation gain along the route totals about 938 feet, with a high point of 9,579 feet. Agency vehicle designation: high-clearance vehicles; open to OHVs. The published season is yearlong. The surface is listed as native material. Our starting difficulty rating is 3 of 5, with medium confidence. Check current conditions with Dixie National Forest before you go.

Closures and conditions change. Check with Dixie National Forest before you go. Off-road travel carries risk; you are responsible for your own safety and for staying on designated routes. Current conditions

How we rated it

3/5 Difficult, 4WD low range, medium confidence. This is a starting rating derived from public agency data, not a guidebook grade:

  • Forest Service maintenance level 2 (high-clearance vehicles)
  • OpenStreetMap mappers tag it 4WD only
  • OpenStreetMap smoothness: very bad

How we build trail pages · Agency route ID: 0407-30139

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