Uhlhorn Trailhead

Uhlhorn Trailhead

Uhlhorn Trailhead is a recreation site adjacent to Big Snowy Mountains, southeast of Lewistown, Montana. The site was created by the BLM with cooperation of the Forest Service and the Judith Basin Back Country Horsemen group. The trailhead offers access to a hiking/horseback riding trail that connects to Forest Service trails that lead to Halfmoon Pass and Crystal Lake.


  • Hitching Rails
  • Vault Toilet
  • Picnic Table

Primary Activities


Uhlhorn Trail #493 is a lightly trafficked point-to-point trail located near Lewistown that features a lake. The trail offers a number of activity options and is best used from May until September. Dogs are also able to use this trail.

Length: 18.6 miles point-to-point

Elevation Gain: 3,822 ft

Difficulty: Difficult

More Information on This Trail:


Uhlhorn Trail may be biked. See the hiking section above for more information. 

Horseback Riding

Ride to the top of Halfmoon Pass, approximately 3 hours. There are some small water crossings and some rocky areas, but mostly gentle climbs. Swimming Woman Creek is opposite the drainage. Uhlhorn Trail connects to other Forest Service trails that lead to Halfmoon Pass and Crystal Lake along Knife Blade Ridge (a very long ride). A map is a good idea.

How to Get There

From Main Street in Lewistown turn south onto 1st Avenue S/MT-238. Continue to follow MT-238 for 11.3 miles. Turn slight right onto Red Hill Road. Continue 11.2 miles and Uhlhorn Trailhead will be on the right. Visitors are encouraged to obtain an accurate map from the nearest BLM office.

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