Fuller Mill Creek Access is a day-use picnic area at 5,300 feet elevation on Highway 243 near Idyllwild, featuring 8 picnic tables and fishing access to the creek.

An Adventure Pass is required ($5/day or $30/year), and restrooms and potable water are not available at the site.

Note that Fuller Mill Creek is closed to public access within 10 feet of the creek from March to October to protect the mountain yellow-legged frog, though picnicking is allowed year-round.