Utah · Trail SNO-3095D

Mill Hollow Snomo Groomed

Mill Hollow Snomo Groomed Trail is a 10.4-mile snow trail in Uinta-Wasatch-Cache National Forest, Utah. The Forest Service rates it trail class 4, highly developed. It is open to snowmobile, snowshoeing and cross-country skiing.

Trail conditions, closures and hazards are not tracked here. The Uinta-Wasatch-Cache 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 end40.5157° N, 111.0721° W · Directions ↗
Other end40.4215° N, 111.1778° 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

Length10.4 miles
Trail class4, highly developed
Typesnow trail
Surfacesnow
Typical grade0-5 percent
Motor vehiclesOpen to at least one motorized use
AccessibilityNot evaluated
Trail numbersSNO-3095D
ForestUinta-Wasatch-Cache National Forest (unit 0419)
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.

Weather by month

NOAA climate normals →
Weather by month near Mill Hollow Snomo Groomed Trail20°30°40°50°60°70°January: 1.79 inches of precipitation, 22.1 inches of snowFebruary: 1.34 inches of precipitation, 17.9 inches of snowMarch: 1.46 inches of precipitation, 12.3 inches of snowApril: 1.55 inches of precipitation, 7.4 inches of snowMay: 1.66 inches of precipitation, 2.2 inches of snowJune: 0.95 inches of precipitation, 0.3 inches of snowJuly: 0.82 inches of precipitation, 0.0 inches of snowAugust: 1.08 inches of precipitation, 0.0 inches of snowSeptember: 1.52 inches of precipitation, 0.5 inches of snowOctober: 1.60 inches of precipitation, 2.3 inches of snowNovember: 1.38 inches of precipitation, 13.4 inches of snowDecember: 1.49 inches of precipitation, 18.5 inches of snowJanFebMarAprMayJunJulAugSepOctNovDecJanuary: 25.0°F averageFebruary: 27.8°F averageMarch: 35.9°F averageApril: 42.6°F averageMay: 50.8°F averageJune: 59.4°F averageJuly: 67.1°F averageAugust: 65.8°F averageSeptember: 57.2°F averageOctober: 45.2°F averageNovember: 33.7°F averageDecember: 25.0°F average0 in5 in10 in15 in20 in25 inTemp °FInches
The line is the average temperature and the bars are average precipitation at Kamas, 15 miles from the trail midpoint at 6,481 feet, station USC00424467 in the NOAA monthly climate normals for 1991 to 2020. Precipitation totals about 17 inches a year. The dotted line is average snowfall, about 97 inches a year on the same inches scale. The station sits about 3,100 feet lower than the trail midpoint, so temperatures on the ground run cooler.

Allowed uses

SnowmobileAllowed 12/01 to 04/15 (month/day)
SnowshoeingAllowed year-round
Cross-country skiingAllowed 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.

Trailheads

The Forest Service recreation layer records no trailhead within a third of a mile of this trail's line. Many trails start from a road pullout or another trail with no trailhead record. The forest's recreation pages list the trailheads it does publish.

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
    West Fork Rx

    4 mi from the trail midpoint · 730 acres

  • Prescribed
    Taylors Fork Rx

    11 mi from the trail midpoint · 300 acres

  • Prescribed
    Pitt And Page Rx

    13 mi from the trail midpoint · 170 acres

  • Prescribed
    Castle Peak Rx

    13 mi from the trail midpoint

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 Mill Hollow Snomo Groomed Trail?

The Forest Service records 10.4 miles under this name in Uinta-Wasatch-Cache National Forest, the sum of 1 segment.

Source: Forest Service trail layer

What is allowed on the Mill Hollow Snomo Groomed Trail?

Snowmobile, snowshoeing and cross-country skiing are allowed. The trail is open to at least one motorized use. Some uses are seasonal. The allowed uses section lists the dates.

Source: Forest Service trail layer

Where does the Mill Hollow Snomo Groomed Trail start?

The line begins at 40.5157° N, 111.0721° W and ends at 40.4215° N, 111.1778° W. No Forest Service trailhead is recorded within a third of a mile of it. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the Mill Hollow Snomo Groomed Trail in a wilderness area?

No. The trail line does not cross any polygon in the National Wilderness Preservation System layer.

Source: Wilderness Connect

Where can I camp near the Mill Hollow Snomo Groomed Trail?

Mill Hollow (under 0.1 mi), Wolf Creek (2.7 mi) and Ponderosa Group Campground (4.9 mi) are within five miles of the trail. The camping section lists all 4 with site counts and booking links.

Source: Campsite Atlas

How developed is the Mill Hollow Snomo Groomed Trail?

Trail class 4, which the Forest Service describes as highly 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 Mill Hollow Snomo Groomed Trail?

The typical grade is 0-5 percent.

Source: Forest Service trail layer

Who manages the Mill Hollow Snomo Groomed Trail?

Uinta-Wasatch-Cache National Forest, Forest Service unit 0419. The trail is in Utah.

Source: Uinta-Wasatch-Cache National Forest official page

Is there a fire near the Mill Hollow Snomo Groomed Trail?

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

Source: Fire nearby

Source

This page is built from 1 segment named Mill Hollow Snomo Groomed in the Forest Service TrailNFS_Publish layer, administrative unit 0419. 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.