Loop · Mount Rainier National Park
Spray Park Loop
16 mi loop4,764 ft gainVery hardDay hike: No permitOvernight: Reservation
Get alerts for this hikePermits and reservations
Day hikeNo permit
Day hikes need no permit, only the park entrance pass. No timed-entry reservation in 2026.
OvernightReservation
Every overnight stay needs a wilderness permit: $6 plus $12 per person per night. Reserve on Recreation.gov or walk up.
Permit calendar
Early-access lotteryFebruary
Lottery winners bookMarch to April 25
General reservations openApril 25
Summer permit seasonJune 1 to October 10
Mount Rainier National Park wilderness rules from the National Park Service. Climbing above 10,000 ft or on glaciers needs a separate climbing permit. Always confirm with the land manager before you go.
About the trail
Distance16 miFull loop
Elevation gain4,764 ftTotal climb
High point6,375 ftFrom elevation data
Overview
Spray Park Loop is a 16-mile loop starting from Wonderland Trailhead. The route follows Spray Park Loop.
Heads up: the road to Mowich Lake and Carbon River (SR 165) is closed at the Fairfax Bridge, so this trailhead has no road access right now.
Photos from hikers
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What you need
Parking and passes
National park entrance fee: $30 per vehicle for 7 days, the $55 Mount Rainier annual pass, or an America the Beautiful pass. No timed-entry reservation is required in 2026.
Buy an entrance passGetting there
The hike starts at Wonderland Trailhead. Save directions offline before you leave, since mountain roads often lose cell service.