Length: 15 mi (24.1 km)
Surface: Singletrack
Configuration: Network
Elevation: +23/603 ft
Total: 1 riders

Mountain Biking Yarmag Hills

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#34 of 76 mountain bike trails in Mongolia
#4849 in the world

These trails lie on the NW facing slopes of Bogd Uul between the Yarmag Bridge (over the Tuul River) to Nukht Amaralt (camp). This is a seven square mile area (18 sq km and 4500 acres). The trails are steep two track and singletrack, heading pretty much straight up and down the mountain slopes for 2-3 miles. Much of the riding is very strenuous on 20-40% slope. These trails are not for the fainthearted. They make for great hill training and workouts. You WILL get stronger trying to ride up these slopes, and you will have fun (at least going back down).

I suggest that you start from the Nukht end (see directions) and work your way SW to NE across the system. There are four main trails that head up the mountain generally NW to SE. They can be quickly connected along the base of the mountain. And on top of the mountain with a little navigation a couple of trails can be connected, using a short portion of the Zaisan West Ridge Trail.

There is quite a bit of development that has been occurring over the past 10 years or so at the very bottom of the mountain along the main road to the airport. There are many interconnecting fences here that can make it a bit difficult to exit the system. If you start the day getting dropped off on the Nukht end by a taxi (or very nice friend), then once you exit to system at the end of the day, it is an easy road ride home of varying distances, depending on where you live in UB.

Before you go
  • No Drinking water 
  • No E-bikes permitted 
  • No Fat biking allowed in winter 
  • No Fee required 
  • No Lift service 
  • No Night riding allowed 
  • No Pump track 
  • No Restrooms 
Getting there
I think the best place to start is near Nukht. On the road to Nukht Amaralt, look for a very steep, narrow valley slope, heading east up the mountain just about a half kilometer before the guard post/gate for Nukht Amaralt. This is a good trailhead for the system. Maybe the best thing to do the first time is to drive up to the gate first and then turn around and measure the half kilometer back to the steep valley and trailhead. It will be quite obvious that way.
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(on Nov 12, 2019)
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  • mongwolf
    Reviewing Nukht East Ridge:

    Definitely steep but nice ride. Great start to the rest of the system. The trail surface is a mix of mostly hardpack and grass. A couple of summers ago, I saw an ibex mountain goat on top, standing on a rock outcrop protruding out high over Nukht Valley. He looked confident and proud. Beautiful.

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  • mongwolf

    Big brutal climbs; very fast descents. Great hill training area with big views and some pretty forest riding on and near the top. There are also some side trails here and there to explore. I would rate the trails intermediate-advanced overall because of the steep slopes (often 20-40%).

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