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Tags:
Level: Intermediate
Length: 16 mi (25.7 km)
Surface: Singletrack
Configuration: Loop
Elevation: +819/840 ft
Total: 38 riders
 

Mountain Biking Grassy Mountain Loop

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#5 of 264 mountain bike trails in Montana
#747 in the world

The rides starts with a long fire-road climb, stay on the main road to a large grassy meadow. The road descends slightly, take the single track here to the left until you meet an old boggy 4wd road. Continue on this road until you see another single track go right at a small meadow. Follow this single track, top of the climb is about a mile then a great descent. Some steep, rocky, root drops near the top, later many bermed and banked turns. The descent ends after a series of switchbacks at the Brackett Creek Trailhead. Continue south on the paved road about 5 miles to start point.

First added by chukt on Jan 2, 2009. Last updated Apr 28, 2020. → add an update
Before you go
  • Drinking water: unknown
  • Lift service: unknown
  • Night riding: yes
  • Pump track: unknown
  • Restrooms: unknown
  • Fat bike grooming: unknown
  • E-bikes allowed: unknown
  • Fee required: unknown
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Getting there
From Bozeman, drive Bridger Canyon Road to mile mark 14.4 and a pullout for parking. Gated dirt road (Olson Creek Road) on the right is the start of the ride.
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Grassy Mountain Loop Trail map

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Jack McNeil (on Aug 4, 2019)
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Trail conditions

Dry (on Jul 18, 2015)
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Mountain Bike Trails Near Bozeman, Montana

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Easiest | 2 mi
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Reviews

  • John Fisch   ✓ supporter
    ****

    This is a good alternative to the longer full Bangtail Divide route, especially if you are lacking in either time or fitness. It has a little over 1/2 the distance and about 2/3 of the climbing and you still get the great descent at the end.

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  • ****

    Nice loop. The climb on the road wasn't crushing. When you arrive at the meadow, the road splits. Take the left and the trail crosses the road in a 1/4 mile. Go left (downhill) for the shorter option. There where quite a few mud puddles in the trail due to recent rain.
    Fun ride, some great views and wild flowers.

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  • abegold
    *****

    The road climb didn't deter me from the beautiful singletrack of the descent. Lush forest nad green grass, a real treat for a desert rat. It's been 8 years so the trail memory is vague.

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  • harryhoodlum
    *****

    This is part of a larger trail called Bangtail Divide. The full trail is about 23.5 miles long... probably 95% singletrack. You can start at either end; Brackett Creek or Stone Creek. Stone Creek is a few miles closer to Bozeman on Bridger Canyon rd. Different folks have different preferences as to which way to ride it but it's fun both ways. Not having a shuttle causes either a ~10 mile road ride or 23.5 mile trail ride back to the car.

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  • rth009
    *****

    Nice somewhat long but easy climb on a forest road to get you warmed up for a killer descent. Add in great scenery and close proximity to Bozone Brewing in Bozeman and you've got yourself**reat day. If you're up for more than the 16 miles, you can hang a right on the Bangtail Divide trail at the top on Grassy Mountain before you turn around and ride the descent to Bracket Creek trailhead. The 5 miles of road ride at the end is a piece of cake, 2 small climbs before 2-3 miles of downhill with excellent view of the Bridger Range on your right. Good times.

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  • chukt   ✓ supporter
    *****

    This trail is super fun.
    Long technically easy climb.
    Great singletrack downhill that leaves that 12 year old grin on your face.

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