Montana · Hiking · Bob Marshall Wilderness

North Fork Sun Cutacross

2.3 mi
round trip
38 ft
climb
4,845 ft
high point
Out and back
route
May–Sep
best months

Caution at last check

Agency alerts are in effect for this area; weather is good · USFS, OpenWeather · checked 14 h ago

Is North Fork Sun Cutacross open right now?

Alert in the area

The Forest Service lists an alert for Rocky Mountain Ranger District.

As of · Source: USFS · Rocky Mountain Ranger District. Agencies don't list every closure — check before you go.

North Fork Sun Cutacross is an easy out-and-back hike of about 2.3 miles in the Bob Marshall Wilderness, part of the Rocky Mountain Ranger District of the Helena-Lewis and Clark National Forest in Montana. The Forest Service manages the land, and the trail sits within designated wilderness. The route is short and gentle, with a total elevation gain of about 38 feet. It starts at roughly 4,799 feet and reaches about 4,845 feet before returning. The trail surface is natural, and the Forest Service notes that horses are allowed but bikes are not. It is not an accessible trail. Summer is the most comfortable time to go. Typical averages from the nearby Gibson Dam weather station show July highs around 79°F with lows near 45°F, while winter highs stay in the mid-30s. Several other hikes lie close by, including Elk Hill at 0.7 miles and Sun Butte at 0.8 miles. Paddlers can reach the Sun River about 4.8 miles away, and Mortimer Gulch Campground is about 5.2 miles off.

Local outfitters

Not on Roamze yet. Their page has how to reach them.

  • Best time to go · May–Sep

    Best time to visit North Fork Sun Cutacross

    Best months: May–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

    1. Jan

      36° / 12°

      5 wet

    2. Feb

      36° / 12°

      6 wet

    3. Mar

      42° / 18°

      7 wet

    4. Apr

      50° / 25°

      7 wet

    5. May

      59° / 33°

      10 wet

    6. Jun

      67° / 39°

      10 wet

    7. Jul

      79° / 45°

      7 wet

    8. Aug

      78° / 43°

      6 wet

    9. Sep

      67° / 36°

      6 wet

    10. Oct

      54° / 29°

      6 wet

    11. Nov

      42° / 20°

      5 wet

    12. Dec

      35° / 13°

      5 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Gibson Dam, MT, 6.1 mi away at 4,590 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.