Trail Overview
Skyline Spur is a scenic 2.8-mile out-and-back trail branching off State Highway 21 in the Boise National Forest, ideal for stock four-wheel-drive vehicles and SxSs looking for panoramic mountain views. This easy trail climbs gently from an elevation of 5,577 feet to a peak of 5,828 feet, winding through towering pine forests and offering open vistas of the surrounding mountain ranges. The route is highly accessible, requiring no advanced driving skills or specialized equipment, though travelers should watch for natural speed bumps and drainage dips along the way.
The dirt and gravel route features a cumulative elevation gain of 282 feet and contains no technical rock obstacles or steep off-camber sections. Dispersed camping spots are sparse but can be found with some scouting along the route, offering a remote getaway in the national forest. Cell service is non-existent in this mountainous area, making offline maps essential for navigation. The trail starts directly off the Ponderosa Pine Scenic Route, making it an excellent quick side trip for travelers exploring the wider Boise National Forest area.
Access Description
Located within the Boise National Forest. No permits or fees are required to access this route, but drivers should check local US Forest Service alerts for seasonal closures due to snow or wildfire conditions. Cellular service is unavailable, so downloading offline maps prior to arrival is highly recommended.