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Level: Intermediate
Length: 15 mi (24.1 km)
Surface: Doubletrack
Configuration: Network
Elevation: -
Total: 6 riders

Mountain Biking Arnold Gulch Area

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#539 of 1,354 mountain bike trails in Colorado
#5,506 in the world

Arnold gulch is a tight network of trails trails that is open to motorized traffic. Some of the trails are open to atvs and some of them are only open to motorcycles, meaning that there is some sweet singletrack to be had in this trail system!

First added by Greg Heil on Jun 11, 2015. Last updated May 8, 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
This trail information is user-generated. Help improve this information by suggesting a correction.
Getting there
System trails (4)
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Arnold Gulch Area Trail map

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Local Info

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Greg Heil (on Nov 16, 2015)
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Trail conditions

Wet (on Mar 4, 2016)
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Rider questions

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  • Greg Heil   ✓ supporter
    Reviewing Trail #1425:

    Nice, technical singletrack trail--this is the real jewel of the Arnold Gulch area! This trail is home to some challenging rocky sections, so be prepared.

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  • Greg Heil   ✓ supporter

    Most of this area is comprised of sandy 4x4 roads and doubletrack trails--so sandy, in fact, that you should only plan to ride here if you're riding a fat bike. There are a couple of narrow, very technical singletrack trails, but those technical bits are again connected with stretches of deep sand, making it difficult to find the best bike for this area: fat bike or trail bike? I recommend sticking with the fat bike.

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  • Greg Heil   ✓ supporter

    The Arnold Gulch road is extremely sandy, so make sure that you bring your fat bike to ride here! Seriously, I would NOT want to attempt this on a regular mountain bike. On a fat bike it's bad enough, but on a regular bike? You would be SOL.

    The best part about this road isn't the road itself, but the access it provides to other trails in the area. But even if the nearby trails might be great on a standard bike, getting there on a non-fat bike would be near-impossible.

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  • John Fisch
    Reviewing Trail #1425:

    This trail is the reason to come to the Arnold Gulch area. It is the only real singletrack and, while it is still open to motos (not ATVs) and has lots of moto-type damage (deep gravel/ruts), the trail has lots of fun technical stuff through most of its length, especially the central portion which lies on the north side of 1423 and skirts the base of Triad Ridge. Best ridden east to west. There isn't much in the way of flow, so you have to create your own, but that's all part of the adventure. The combination of technical challenge, sharp hills and frequent sand/gravel will make this trail feel much longer than it is.

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  • John Fisch
    Reviewing Trail #1423:

    This is pretty standard ATV trail--wide and pretty sandy to boot. But the scenery is nice and it provides the gateway to the far more interesting trail 1425.

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