Montana · Cross-country skiing · Near Emigrant

Grotto Falls Trail

1.2 mi
round trip
312 ft
climb
7,132 ft
high point
Out and back
route
Jul–Sep
best months

Is Grotto Falls Trail open right now?

Closure in the area

There's a closure order in Bozeman Ranger District. It doesn't name Grotto Falls Trail, so check the source for the area it covers (16 listed).

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

Grotto Falls Trail is a cross-country skiing route in the Bozeman Ranger District of Custer Gallatin National Forest in Montana, managed by the Forest Service. The trail is about 1.2 miles long and is an out-and-back, with the high point at 7,132 feet and the low at 6,883 feet. The climb is short, with a total gain of 312 feet, and the steepest stretch comes within the first 0.06 miles at about 11%. Winter is the natural season for skiing here. Typical averages from a nearby weather station in Big Sky show January highs around 30°F with lows near 9°F, while July highs reach about 78°F. That station sits roughly 500 feet lower than the trail, so temperatures on the route run a little cooler. Grotto Falls and the Hyalite Canyon Trail are both about 0.1 mile away, and the Fr 62 Upper Hyalite Creek Road 070g campground is also close by. The Hyalite Creek Trail is about half a mile off.

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  • Best time to go · Jul–Sep

    Best time to visit Grotto Falls Trail

    Best months: July–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

      30° / 9°

      13 wet

    2. Feb

      34° / 9°

      11 wet

    3. Mar

      42° / 17°

      12 wet

    4. Apr

      48° / 23°

      11 wet

    5. May

      58° / 30°

      14 wet

    6. Jun

      67° / 36°

      14 wet

    7. Jul

      78° / 41°

      11 wet

    8. Aug

      77° / 39°

      11 wet

    9. Sep

      68° / 33°

      10 wet

    10. Oct

      53° / 25°

      10 wet

    11. Nov

      37° / 16°

      11 wet

    12. Dec

      27° / 9°

      14 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Big Sky 2wnw, MT, 21.2 mi away at 6,590 ft. The station sits about 500 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

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