East of Newport and northeast of San Juan Capistrano, the San Juan Trail is a popular 11 mile one-way hike in the Santa Ana Mountains. Near the trailhead are several hot springs, and the route winds its way up to NFS Blue Jay Campground.
To reach the hiking trailhead from US5 in San Juan Capistrano, head northeast on SR74 for 10 miles. Just west behind the NFS San Juan Fire Station, turn left heading north on the unsigned Hot Springs Canyon Road following signs to Lazy-W-Ranch. The marked trailhead parking area is on the left at about 0.7 miles.
Overall, San Juan Trail is the 37th most popular hiking trail of all 88 hikes in California.