Located near San Ysidro, are several trails, two of which are signed along U.S. Hwy 550 (Perea Nature Trail and San Ysidro Trail). The San Ysidro Trail area is multi-use with mountain bike and motorized/ATV use. Trail Name Difficulty Distance Elev. Gain 1. Perea Nature Trail Easy 0.8 mi / 1.2 km 5 ft 2. San Ysidro Trail Easy 4.6 mi / 7.6 km 580 ft 3. Red Mesa Loop Moderate 5.8 mi / 9.3 km 1,345 ft ⇩ San Ysidro Trails Map and Info (PDF 809 KB) Download Files ⇩ San Ysidro Trails Map and Info (PDF 809 KB) ⇩ GPX File (ZIP 15 KB)
⇩ San Ysidro Trails Map and Info (PDF 809 KB) ⇩ GPX File (ZIP 15 KB)
