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Exploring Southern Idaho by Mountain Bike

Southern Idaho Mountain Biking

Southern Idaho’s unspoiled, uncrowded trails give the whole family room to roam! Idaho mountain bikers will find Snake River landscapes, views from the South Hills, or see fascinating landscapes at City of Rocks. Wherever you go, you’ll find plenty of ways see Southern Idaho’s gorgeous scenery up close — and get your heart pounding, too.

Auger Falls Trail System

There are more than 10 miles of trails to enjoy in the Auger Falls Trail System, which is managed by the City of Twin Falls Parks and Recreation Department. Be sure to check out the beautiful spring cascading from the cliffs above. The moderate Homestead and Eagle trails take you on a singletrack tour that winds through the rocks to an amazing overlook of Auger Falls. Here, you can check out the series of rapids that makes up the falls. Return on Koda’s Trail and the Haunted Forest Trail for a five-mile roundtrip tour. To get there: Take Canyon Springs Road in Twin Falls into the Snake River Canyon. Follow the road about a mile past the golf course to the trailhead at the end of the road.

Soldier Mountain Ski Area

Soldier Mountain Ski Area in the summer transforms into an epic mountain biking place! The trials range from beginner to advanced. Take the Ski Lift up for easy transportation, then ride all the way down on the fun trails. Enjoy beginner, intermediate, and advanced trails. They range from green to double black. Hit some jumps or glide down the smooth beginner trail. Views are incredible up here!

Indian Springs Trails

Want more of a challenge? This system of 25 miles of trails on Bureau of Land Management land is open to hiking, trail running, horseback riding, and mountain biking. Take Sweet ‘n’ Low Trail over to Lower Dry Gulch, climb Dry Gulch on a gentle uphill with multiple creek crossings until you get to Matt’s Trail. It’s a steep uphill climb on Matt’s to the top of the foothills. You can take Lower Sugarload downhill to the trailhead for an 8-mile loop. This is a great spot to get a real feel for Idaho mountain biking. To get there: Travel directly south of Kimberly for 8 miles on Main Street, cross 2900 East, and park at the BLM trailhead on the left.

city of rocks biking

City of Rocks

The City of Rocks National Reserve features some of Idaho’s most spectacular and fascinating scenery. Portions of the reserve can only be accessed by bike or by foot. Take the road from the Circle Creek Overlook to Stripe Rock for a ride that won’t be interrupted by vehicles. Or, try riding from Elephant Rock to Nematode, then to the Bread Loaves along the Tea Kettle Trail. To get there: Head to the City of Rocks Visitor Center and pick up your trail guide or download it here.

Castle Rocks State Park

Castle Rocks State Park is home to the great five-mile Castle Rocks Trail. Here, you’ll get to see some of Southern Idaho’s most curious and awe-inspiring geology while climbing 920 feet. Castle Rocks is also home to Idaho’s largest pinyon pine forest. To get there: Castle Rocks and City of Rocks share a visitor’s center. There you can learn more about the area’s trails and get ride recommendations, or you can download a guide.

Mount Harrison

Up for a real challenge? Tackle Mount Harrison, one of the toughest climbs in Idaho. This 18.2-kilometer stretch through the Albion Mountains gains over 600 feet and offers unbelievable views along the way. Be sure to pack plenty of water! This area can be very sunny, windy, and offers little shade — but you’ll definitely feel like a superhuman when you hit the summit. To get there: The climb starts 2.5 miles southeast of Albion on Highway 77. Albion is 64 miles east of Twin Falls.