Utah · Trail 1074

Hades-Rocky Sea Pass

Hades-Rocky Sea Pass Trail is a 10.5-mile trail in Ashley National Forest, Utah. The Forest Service rates it trail class 3, developed. It is open to hiking and horse and pack stock. It enters High Uintas Wilderness.

Trail conditions, closures and hazards are not tracked here. The Ashley National Forest official page carries current alerts and closure orders.

Map

One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.

One end40.5673° N, 110.8256° W · Directions ↗
Other end40.6694° N, 110.7765° W · Directions ↗

The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start. The trail is recorded as 3 segments.

The trail

Length10.5 miles
Trail class3, developed
Typeland trail
Surfacenative material
Typical tread width18-24 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityNot evaluated
Special management areaIRA - Inventoried Roadless Area, WSR - Wild
Trail numbers1074
ForestAshley National Forest (unit 0401)
StatesUtah
Detail publishedmanagement level, with uses

Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.

Allowed uses

HikingAllowed year-round
Horse and pack stockAllowed year-round

A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.

Wilderness

Inside a designated wilderness, bicycles and motor vehicles are prohibited by law regardless of the trail record, and permits or group limits may apply.

Trailheads

Grandview Trailhead
No season published
under 0.1 mi

Distance is from the point to the nearest part of the trail line. Season text is what the forest wrote and is often a season name rather than a date.

Trails nearby

Camping nearby

Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.

Fire nearby

  • Prescribed
    Highway 150 Rx

    8 mi from the trail midpoint · 190 acres

  • Prescribed
    Pitt And Page Rx

    10 mi from the trail midpoint · 170 acres

  • Prescribed
    Castle Peak Rx

    10 mi from the trail midpoint

  • Prescribed
    West Fork Rx

    17 mi from the trail midpoint · 730 acres

Distance is to the reported incident point, not the fire edge. Closure orders are on the forest's official page.

Explore

Guidebooks for Utah

We earn a small commission if you buy through these links. It does not change what we list.

  • Hiking from here to Wow: Utah Canyon Country
    Kathy Copeland, 2018
    Find at Bookshop.org
  • Hiking Utah's high Uintas
    Jeffrey Probst, 2016
    Find at Bookshop.org
  • 100 classic hikes Utah
    Julie K. Trevelyan, 2016
    Find at Bookshop.org
  • Best Easy Day Hikes Canyonlands And Arches National Parks
    Bill Schneider, 2023
    Find at Bookshop.org
  • 60 Hikes Within 60 Miles: Salt Lake City
    Greg Witt, 2019
    Find at Bookshop.org

Titles come from Open Library's catalog, matched by subject heading or by title.

Reference

Questions people ask

How long is the Hades-Rocky Sea Pass Trail?

The Forest Service records 10.5 miles under this name in Ashley National Forest, the sum of 3 segments.

Source: Forest Service trail layer

What is allowed on the Hades-Rocky Sea Pass Trail?

Hiking and horse and pack stock are allowed. The trail is closed to motor vehicles year-round.

Source: Forest Service trail layer

Where does the Hades-Rocky Sea Pass Trail start?

The line begins at 40.5673° N, 110.8256° W and ends at 40.6694° N, 110.7765° W. The nearest recorded trailhead is Grandview Trailhead, under 0.1 miles from the line. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Hades-Rocky Sea Pass Trail in a wilderness area?

Yes. It enters High Uintas Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.

Source: High Uintas Wilderness

Where can I camp near the Hades-Rocky Sea Pass Trail?

Iron Mine (3.3 mi), Hades (3.4 mi) and Aspen (5 mi) are within five miles of the trail. The camping section lists all 3 with site counts and booking links.

Source: Campsite Atlas

How developed is the Hades-Rocky Sea Pass Trail?

Trail class 3, which the Forest Service describes as developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.

Source: Forest Service trail layer

How steep and how wide is the Hades-Rocky Sea Pass Trail?

The typical tread is 18-24 inches wide.

Source: Forest Service trail layer

Who manages the Hades-Rocky Sea Pass Trail?

Ashley National Forest, Forest Service unit 0401. The trail is in Utah.

Source: Ashley National Forest official page

Is there a fire near the Hades-Rocky Sea Pass Trail?

The interagency feed shows 4 active incidents within 50 miles of the trail midpoint as of 2026-11-01, the nearest Highway 150 Rx at 8 miles. Check the forest's closure orders before you go.

Source: Fire nearby

Source

This page is built from 3 segments named Hades-Rocky Sea Pass in the Forest Service TrailNFS_Publish layer, administrative unit 0401. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed November 1, 2026. The methodology page explains how segments become trails.