The Cast Creek, Horseshoe Ridge, Sandy River Trailhead sits inside Riley Horse Camp in the Zigzag Ranger District. As the name suggests, it is the starting point for three trails into the Mt. Hood Wilderness: Sandy River Trail #770, Horseshoe Ridge Trail #774 and Cast Creek Trail #773.
To get there, take US 26 east of Sandy 17.5 miles to Zigzag and turn north on Lolo Pass Road (Forest Road 18), about 0.4 mile beyond milepost 42. After 4 miles, go right on Forest Road 1825 for 1.2 miles, then right on Forest Road 1825-380 for about 200 feet. Park on the road’s east side. The trailhead has no restrooms or potable water.
Getting there
- From Portland follow U.S. Hwy 26 17.5 miles east of Sandy to Zigzag.
- At Zigzag, approximately 0.4 mile past milepost 42, turn left (north) on Lolo Pass Road (Forest Road #18).
- Turn left on Lolo Pass Road and travel 4 miles to Forest Road 1825.
- Turn right (east) onto Forest Road #1825 and travel 1.2 miles to Forest Road #1825-380.
- Turn Right (south) onto Forest Road #1825-380 and travel 200’ to the parking area and trailhead on the east side of the road.
- (This trailhead is in the same location as Riley Horse Camp.)
From the Forest Service
Rules and restrictions
Wilderness regulations apply in Mt. Hood Wilderness.
