South Boundary

South Boundary is a short, easy mountain biking climb in Idaho, about half a mile from the nearest town of Lake Fork. The route is an out-and-back, roughly 1.2 miles long, with a high point of 5,532 feet and a low of about 5,340 feet. The steepest section comes early on, at about 0.27 miles, with a 13% grade, and the total elevation gain is about 283 feet for the round trip. Summer is the most comfortable time to ride. Typical averages from the nearby McCall weather station, which sits a few hundred feet lower, run to highs around 81°F in July and August with only about five wet days a month, while winter brings highs near freezing and regular snow days from November through March. The climb sits close to two other mountain biking routes, Mid Mountain Doubletrack and Basic Training, both about 0.1 miles away. Jug Handle Bouldering, a climbing area, is about 2.9 miles off, and Rapid Creek Dispersed camping is about 5.2 miles away.