National Forest Development Road 237 is a hiking, biking, and horse trail in Bonner County, Idaho. It is within Idaho Panhandle National Forests. It is two miles long and begins at 2,496 feet altitude. Traveling the entire trail is 4.1 miles with a total elevation gain of 359 feet. The Woodrat Mine (elevation 2,457 feet) quarry can be seen along the trail.
Sign in/up to upload photos.