This loop begins and ends at the Paradise Inn located in Mt. Rainier National Park. It is approximately 13.4 miles long with 5100 feet of vertical gain and some class 3 climbing/scrambles. This parking lot fills up very quickly so it's advised to go early in the day. Start on the Skyline Trail heading in a NE direction past Myrtle Falls. Continue on this trail until you come to Mazama Ridge Trail where you will turn right. Continue past Louise Lake lookout spot. You will meet up with the Wonderland Trail. Turn left here. Follow the Wonderland Trail around Louise Lake and exit turning left onto Stevens Canyon Road. Follow Stevens Canyon Road past a parking area, turning right onto Bench and Snow Lakes Trail. Pass both lakes and continue until maintained trail ends, following the Unicorn Peaks climbing route. This is an extensive boulder field that you follow up staying right of the two Unicorn Peaks. Turn right on the Ridgeline following trail to summit Foss Peak and continuing following towards the Castle. The trail goes around this peak and cuts in front of Pinnacle Peak down a bit. Summit Pinnacle Peak (class 3 climb). Descend the same way and head towards Plummer Peak. Cut across the Pinnacle Saddle and summit Plummer Peak. Backtrack back to the saddle then turn left on Pinnacle Peak trail. Follow this to Reflection Lake where you turn left on Lower Lakes Trail. Continue on this trail back to Paradise Inn.
