Third Fork Heart Attack Loop consists of a 13 mile secluded single track trail that winds through a beautiful aspen grove forest. There is no cost to ride this trail and there are plenty of campgrounds to choose from near the main trailhead. This trail is also very popular with mountain bike bikers and equestrian riders.
Sawtooth National Forest – Minidoka Ranger District
3650 South Overland Ave.
Burley, ID 83318-3242
Website : Third Fork Heart Attack Loop