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Bangtail Divide - IMBA EPIC

 4.5 (38)
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Map Key

25.0 Miles 40.2 Kilometers



3,611' 1,101 m


-3,309' -1,009 m



Avg Grade (3°)


Max Grade (14°)

7,923' 2,415 m


5,479' 1,670 m


Shared By samh Haraldson



Getting forecast...

Close-to-town access to an intermediate but lengthy ride featuring views of multiple mountain ranges

samh Haraldson

Dogs Leashed

Features -none-

E-bikes are only allowed on the motorized sections of the trail. The Bangtail Divide Trail (Trail 504) from the Stone Creek Trailhead to the intersection with Trail 555.1 is closed to motorized use. The rest of Bangtail Divide Trail (Trail 504) is open to motorcycles but not ATVs.


Built in 2003, the Bangtail Divide Trail (BDT) quickly became the local go-to trail for those looking for a long ride without a long drive. The BDT offers easy access to a ridgeline traverse with stellar views of multiple mountain ranges, fields of wildflowers and well-crafted singletrack sections guaranteed to satisfy.

Highlights include: switchbacks, ridgetop singletrack, and flowing downhill.

Need to Know

There is little to no water on this route so plan accordingly.


Either set up a car shuttle or start with 7 miles of road riding south down Bridger Canyon Rd.

Once you hit dirt, expect to climb, climb, climb. Rigorous switchbacks take you to the top of the divide where the climb becomes more gradual and you are treated to views of the Bridgers, Crazies, Absarokas, Beartooths, Gallatins, Madisons, and Tobacco Roots.

The divide section is through vast open prairies and short sections of shaded trees. The last section of the trail is the fun begins. First, a lengthy flowing section off the divide as you leave the top of the range proper, then one last climb to the top of Grassy Mountain, followed by the sweeping, curving downhill of the Grassy Mountain trail to finish.

History & Background

The trail was built by crews led by Terry Johnson, a local trail building legend, who was ahead of the sustainable, bike-friendly building curve by delivering backcountry grade reversals, rideable switchbacks and flowing lines long before these techniques were popularized.


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Your Check-Ins


Aug 2, 2018
Jesse Loether
Jul 31, 2018
Chase Haggberg
My wife and I are not avid mtb'rs but I would certainly consider us active weekend warriors. This trail was tough and we really had to dig deep to… 25mi
Jul 6, 2018
Bruce Kingham
Jul 1, 2018
Dillon Smith
A little soggy towards the top, lots of little puddles to hit and almost no deep ruts. Great intermediate ride! 10mi
Jun 30, 2018
Dana Kramer
Jun 16, 2018
Katelyn Flick
Got shuttled to the start of the trail. — 2h 00m
May 25, 2018
Chris Long
Eight miles in from Stone Creek Road to top of mountain. Deep snow prevented going any further. 16mi — 3h 23m
May 7, 2018
Jade Elhardt

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Trail Ratings

  4.5 from 38 votes


in Bozeman


  4.5 from 38 votes
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in Bozeman


in Montana


235 Views Last Month
22,115 Since May 24, 2013
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Anonymous User
Anonymous User  
Rode it today for the first time following the route described here and it's in great shape. Some loose rock on the first climb and last descent, but excellent smooth, flowy singletrack in the middle, along with great views. Note for first-time riders - after about 10 miles you come out on a double-track and there are some offshoots and it's not well marked. I stayed on the double-track for about a mile until you go over a cattle guard, then you want the first left singletrack and it's marked 504. There are some offshoots earlier with the same 504 marking that may parallel the double-track, but I didn't take those. Jul 31, 2016
Neal Evers
Boulder, CO
Neal Evers   Boulder, CO
excellent trail-- nice climb on either side, rollers on top, dirt/root/trees as well as sunny/rocky/loose sections... a little bit of everything. Trail conditions are great-- just a few easily-navigated ruts from the end of the snow melt. Jun 25, 2017
Chase Haggberg
Bozeman, MT
Chase Haggberg   Bozeman, MT
My wife and I are not avid mtb'rs but I would certainly consider us active weekend warriors. This trail was tough and we really had to dig deep to make it the full 25 miles. There's not necessarily a lot of technical terrain but the terrain sure seems more technical after you're exhausted by the lengthy climbs! I wouldn't recommend it to anyone that's not a very seasoned rider. Regardless, the views were amazing! Jul 31, 2018

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