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Boulder River Natural Bridge and Falls Trail

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This information is a public record of the 1981 NRT application and may be out of date if it has not been updated by a trail manager --
check with the trail manager for updated details before visiting.

Boulder River Natural Bridge and Falls Trail

USDA Forest Service
  • Length
    0.8 miles
  • Elevation Gain
    --
  • Route Type
    out & back
 (1 review)

Spectacular geologic natural bridge over the Boulder River.

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Photo by Kasie Haack.
Photo by Kasie Haack.
Boulder river with viewing bridge. Photo by KH.
Boulder river with viewing bridge. Photo by KH.
Across the bridge. Photo by KH.
Across the bridge. Photo by KH.
Picnic area. Photo by KH.
Picnic area. Photo by KH.
View from the bottom. Photo by KH.
View from the bottom. Photo by KH.
Boulder river. Photo by KH.
Boulder river. Photo by KH.
Underground river exit. Photo by KH.
Underground river exit. Photo by KH.
Photo by KH.
Photo by KH.
Parking lot. Photo by Kasie Haack.
Parking lot. Photo by Kasie Haack.
Natural Bridge Sign. Photo by Kasie Haack.
Natural Bridge Sign. Photo by Kasie Haack.
  • Photo by Kasie Haack.
  • Photo by Kasie Haack.
  • Boulder river with viewing bridge. Photo by KH.
  • Across the bridge. Photo by KH.
  • Picnic area. Photo by KH.
  • View from the bottom. Photo by KH.
  • Boulder river. Photo by KH.
  • Underground river exit. Photo by KH.
  • Photo by KH.
  • Parking lot. Photo by Kasie Haack.

See all 25 photos >>

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Location: Boulder River Canyon

  • States: Montana
  • Counties: Sweet Grass

Constrained by a deeply cut chasm during high water, the Boulder River flows over a 100-foot precipice, creating the spectacular Natural Bridge Falls. At low water, the river used to flow under a natural rock bridge, but in July 1988, the bridge that gave the area its name collapsed.

The paved pedestrian trail provides great views and interpretive geologic information.

Accessibility Information

No text provided.

Reviews

Kasie Haack
Kasie Haack
Mar 27, 2019
Great Day Hike

The Natural Bridge Falls is a great accessible trail. It is ideal for families, seniors, beginner hikers and plus size hikers. The loop is less then a half mile round trip. The views are spectacular. It's an excellent lunch stop on your way into the Gallatin National Forest. This visit was done in late March. Most of the path was clear of snow except on some densely tree covered areas. Water flow was less then it is in May and June. Temperature ranged in the high 30's.

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Allowed Uses:

Hiking/Walking

Public Contact

Pete Becken
PO Box 1130
Big Timber, MT 59011
[email protected] • (406) 932-5155
www.fs.fed.us/r1/gallatin

Contact the trail manager for current maps and visiting details.

More Details

  • Elevation (low): 5200
  • Elevation (high): 5200
  • Elevation (cumulative): --
  • Part of a Trail System? No
  • Surface (primary): Paved
  • Surfaces (additional): Paved
  • Tread Width (average): 60"
  • Tread Width (minimum): --
  • Running length (minimum): --
  • Tread Grade (average, percent): 7
  • Tread Grade (maximum): 10
  • Running length (maximum): --
  • Cross-slope (average, percent): --
  • Cross-slope (maximum): --
  • Running length (maximum): --
  • Certified as an NRT
    Mar 1, 1981
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