North of Boise and southwest of McCall, the Tamarack Bike Park has 50 trails totalling over 30 miles open to mountain biking. The lifts provide access to 2,800 feet of vertical descent. Make sure to check out the Bear Hair Trail.
To reach the Tamarack Ski Area from the Boise airport, exit the airport on W Airport Way. Continue on S Vista Ave to the freeway (0.2 miles). Turn LEFT onto I-84 W, toward Nampa/Caldwell for 7 miles to Exit #46. Merge onto S Eagle Rd/ID-55 N toward Eagle/McCall/Emmett (6.8 miles). Turn slight RIGHT onto ID-44/ID-55 (1.7 miles). Turn LEFT onto ID-55 to Donnelly (86 miles). In Donnelly, turn LEFT onto Roseberry Road for 4 miles. Turn LEFT onto W Mountain Road for 3.5 miles to Tamarack Resort.
Overall, Tamarack Bike Park is the 58th most popular mountain bike trail of all 63 mountain biking rides in Idaho.