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Level: Advanced
Length: 19 mi (30.6 km)
Surface: Singletrack
Configuration: Loop
Elevation: +1,221/ -1,110 ft
Total: 2 riders

Mountain Biking Rocky Creek Loop

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#17 of 317 mountain bike trails in Idaho
#2,080 in the world

Big Timber Creek holds some amazing trails. They may be called "primitive" in an era when "flowy" is the norm. These are great trails nonetheless and harken back to a day not so long ago when trails were not judged by how easy they were to ride but a means to an end. This ride is a remote gem in the Gem State.

This is true Idaho backcountry so be prepared for anything from injury to weather to mechanicals to wildlife. Bring a map, bring a GPS, bring a saw, and have a plan and have a backup plan. Bring some Orange too is it is hunting season.

From the trailhead (a gate across the road) the ride follows Big Timber Creek Trail (Tr 6183.1). This is ridden heavily by ATVs, is rocky and loose, and descends steeply into the Big Timber Creek drainage. Remember this descent and save yourself some heartache because you will be coming back up this at the end of your ride.

Not too far along Big Timber Creek you come to a gate. This gate is the end of ATV access!! It is single track from here. There is still Motorcycle access but the trails are, for the most part, in great shape.

Further along the creek you come to a stream crossing. This is Rocky Creek and just beyond hang a right onto Rocky Creek Trail (Tr 6184). From here you will ride (and hike-a-bike too) along Rocky Creek close to 7 miles and climb about 2200' to a pass. You will Rocky Peak on the right and Junction and Yellow peaks on the left.

At this pass is a junction, go left back on to Big Timber Creek Trail (Tr 6183.1). There is another pass on the shoulder of Yellow Peak and steep, rocky and technical sections on your way 2500' downhill.

Once the Big Timber drainage opens up the trail opens up too. It is about 5 miles in this open valley back to the "ATV" gate. Remember that climb back to the trailhead and hopefully you remembered to stash some beers in a cooler there too. You earned them on this ride.

First added by chukt on Dec 13, 2011. Last updated Apr 28, 2020. → add an update
Before you go
  • Drinking water: unknown
  • Lift service: unknown
  • Night riding: unknown
  • 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
Access Big Timber Creek via Leadore, ID, which is about 50mi SE of Salmon and ~100 NW of Idaho Falls.

From Leadore go west on the only road that goes west. After about a mile, at the old road grader, hang a left and follow this gravel road. This road deteriorates in quality becoming rocky and after about 7mi you come to a gate and an Info Panel. Follow the signs and stay on Road 6105 from here. It is about another 5 miles to the gate and the start of the ride. There is frequent deadfall along this section of road, bring a saw.

Camping is available at the Timber Creek Reservoir (Stone Creek Res. on some maps). To get here follow Road 6105 1/2mi to Road 60172 and then another ~1.5mi to the campground.
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Rocky Creek Loop Trail map

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lemhi_mtn_ryder (on Aug 16, 2018)
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Tacky (on Aug 6, 2015)
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Mountain Bike Trails Near Leadore, Idaho

Intermediate | 7 mi

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  • chukt   ✓ supporter

    What an amazing ride this is.

    Upper Big Timber Creek had some washed-out sections, but other than this the trail is great.

    Reply | Thank
  • sidehiller1

    Great remote, scenic mildly technical singletrack ride. You will burn the calories on this one. Take a water filter with you.

    Reply | Thank