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Southwestern Idaho

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Recommended Routes in Southwestern Idaho - 81

MTB Project is built by riders like you. Add Your Recommended Routes

Favorite Dropping on the G19 trail.
Intermediate

Around the Mountain

10.2 mi 16.4 km 1,093' Up 333.22 m Up 1,092' Down 332.94 m Down

Boise, ID
Favorite The big finale of Williams Creek.
Intermediate

Fisher Creek Loop

17.7 mi 28.5 km 2,011' Up 612.91 m Up 2,013' Down 613.68 m Down

Sun Valley, ID
Favorite Sunrise over Polecat Trail
Intermediate

Polecat Loop

6.3 mi 10.1 km 776' Up 236.49 m Up 751' Down 228.9 m Down

Garden…, ID
Favorite Great views of the Sawtooth Mountains
Intermediate/Difficult

Elk Mountain Loop

11.4 mi 18.4 km 1,063' Up 323.89 m Up 1,061' Down 323.49 m Down

Challis, ID
Favorite One of the best downhills in the area ... so fast, so beautiful.
Intermediate/Difficult

Greenhorn to Imperial Loop

10.6 mi 17.1 km 1,729' Up 527.03 m Up 1,729' Down 526.98 m Down

Ketchum, ID
Favorite Lower Mahalo at sunrise; may the forest be with you.
Intermediate/Difficult

Thunder Monkey

15.4 mi 24.8 km 834' Up 254.31 m Up 3,548' Down 1081.41 m Down

Boise, ID
Favorite Flowers and pine trees towards the top of Hard Guy
Difficult

Hard Guy to Dry Creek Loop

18.0 mi 29.0 km 3,043' Up 927.38 m Up 3,043' Down 927.47 m Down

Boise, ID
Favorite Rock Garden above the State Capital
Difficult

Table Rock Tech

3.7 mi 5.9 km 100' Up 30.37 m Up 984' Down 299.85 m Down

Boise, ID
Favorite Heading up to the high point of Bull Dog trail.
Intermediate

Croy Creek Loop

7.4 mi 12.0 km 1,061' Up 323.28 m Up 1,084' Down 330.26 m Down

Hailey, ID

Southwestern Idaho Biking

  • 5,390 Miles 8,675 Kilometers of Trail
  • 82 Recommended Routes
  • 209 Easy Trails Easy Trails
  • 355 Intermediate Trails Intermediate Trails
  • 249 Difficult Trails Difficult Trails
MTB Project is built by riders like you. Share what you know about this area!

Areas Within Southwestern Idaho

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Trails in Southwestern Idaho - 728

MTB Project is built by riders like you. Add Your Trails

7.2 mi 11.7 km #1Dry Creek
Difficult
Boise, ID
Difficult
Boise, ID 29 
6.9 mi 11.1 km #2Eastside Trail
Intermediate/Difficult
Boise, ID
Intermediate/Difficult
Boise, ID 30 
3.3 mi 5.3 km #3Mahalo
Difficult
Boise, ID
Difficult
Boise, ID 27 
6.1 mi 9.9 km #4Sweet Sweet Connie
Intermediate/Difficult
Boise, ID
Intermediate/Difficult
Boise, ID 29 
1.1 mi 1.8 km #5The Drain
Intermediate/Difficult
McCall, ID
Intermediate/Difficult
McCall, ID 22 
2.2 mi 3.6 km #6Lower Hulls Gulch Trail
Intermediate/Difficult
Boise, ID
Intermediate/Difficult
Boise, ID 33 
1.6 mi 2.6 km #7Bob's Trail
Difficult
Boise, ID
Difficult
Boise, ID 26 
1.0 mi 1.6 km #8Berm & Ernie
Intermediate/Difficult
McCall, ID
Intermediate/Difficult
McCall, ID 20 
5.1 mi 8.1 km #9Chukar Butte #74
Intermediate/Difficult
Boise, ID
Intermediate/Difficult
Boise, ID 26 
7.0 mi 11.2 km #10Around the Mountain Trail (98)
Intermediate
Boise, ID
Intermediate
Boise, ID 17 

Photos of Southwestern Idaho - 879

MTB Project is built by riders like you. Add Your Photos

Descending switchbacks below the face of Castle Peak.
Jul 27, 2014 near Sun Valley, ID
Evan Geankoplis lifts off the slab on Rock Star above a fantastic lake view.
Jun 20, 2017 near Cascade, ID
Heading up to the high point of Bull Dog trail.
Jul 9, 2015 near Hailey, ID
Summertime wildflowers on Osberg Ridge... so awesome!
Aug 16, 2018 near Ketchum, ID
You're never far from a great view at Tamarack Resort.
Jun 20, 2017 near Cascade, ID
The iconic Smoke N' Fire Route in Idaho
Sep 30, 2020 near Idaho City, ID
Flowy singletrack coming down Adam's Rib
Aug 16, 2018 near Sun Valley, ID
Racers enjoy the fun flow and great dirt on Super G at the start of the season.
Jun 20, 2017 near Cascade, ID