Rainbow Lake / Caton Lake Trailhead


The Rainbow Lake / Caton Lake Trailhead is a five-acre signed site with a hitching rack and restroom. It serves Caton Lake (#093) and Rainbow Lake (#094) trails.



Rainbow Lake Trail Information -  

The first part of Caton Lake Trail is the upper portion of Ditch Creek Trail.

Ditch Creek Trail provides access to Rainbow Lake Trail and Caton Lake Trail.

Approximately 0.7 miles from the trailhead, the unsigned 0.3 mile Rainbow Lake Trail splits off to the left. In another 1.8 miles, the trail junctions with the Caton Lake Trail.

From the Ditch Creek/Caton Lake Trail junction to Caton Lake is 5 miles, and another 0.8 miles to the boundary of the Boise and Payette National Forests.

The trail weaves in and out of trees, large open wet areas, and meadows. After climbing slightly, the trail drops gently for several miles. The trail then passes through Caton Meadows, climbs to a low saddle, and drops sharply to Caton Lake.

This trail begins approximately 0.7 miles up the Ditch Creek Trail. It is not signed, but the trail is obvious and takes off to the left.

Just before the lake, the trail passes through a medium sized campsite, and then out of the trees onto a small marsh at the south end of the lake. Rainbow Lake is lovely and clear, though steep sides and encroaching forest limit the shore.

General Information


Directions to Rainbow Lake Trail:

From Boise, Idaho, travel north on State Highway 55 approximately 80 miles to Cascade, Idaho.

From Cascade, Idaho, travel north on State Highway 55 only a short distance to the turnoff at the Warm Lake Road (Forest Highway 22).  Travel Forest Highway 22 northeast approximately 25 miles.

When you arrive at the Warm Lake area, Forest Highway 22 becomes Forest Service (FS) road 579. Continue east along FS road 579, until it intersects with FS road 413 approximately 10 miles at Landmark.

Turn north on FS road 413 and proceed 8 miles to Trout Creek Campground.

Proceed past the Campground approximately 2 miles to FS road 410 intersection.  Go north along FS 410 road approximately 8 miles toward Rainbow Lake.  You will pass the Rainbow Lake / Caton Lake Trailhead prior to arriving at Rainbow Lake.  The Trailhead is just east of Shell Rock Peak and Shell Rock Lake. 

FS Trails 093 and 094 lead to Rainbow Lake from the Trailhead.

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