Crystal Lake

Twin alpine lakes reached by a steep, rewarding climb

InsideMount Rainier National Park

Overview

Crystal Lakes is a classic high-country outing: a steep climb from the highway up to a pair of clear, blue subalpine lakes tucked below rugged peaks. Lower Crystal Lake sits in the trees; Upper Crystal Lake, just 0.5 mile farther, spreads out in a lovely open basin with wider views. It’s a rewarding target for strong day hikers and an easy-to-love overnight for backpackers.

Route at a Glance

From the Crystal Lakes Trail on SR 410 (about 4 miles north of Cayuse Pass), you’ll grind up switchbacks through forest before breaking into higher country with intermittent Rainier views. It’s roughly 6 miles round trip with 2,300 feet of elevation gain to reach the lakes, and the park pegs the round-trip time at about 3 hours. Lower Crystal Lake appears first; continue another half-mile for the more dramatic Upper Crystal Lake.

Why It’s Worth Your Legs

The variety is the draw: a stout, efficient ascent, then a serene lakes basin with room to wander. In late July and early August, nearby meadows pop with wildflowers, and the upper basin’s amphitheater-like setting gives the whole place a big-mountain feel. If you’ve got extra energy, many hikers extend their day onto higher trails beyond the basin for more ridge-top scenery.

Camping

Designated wilderness camps sit at both Lower and Upper Crystal Lake. You’ll need a wilderness permit, and fires are prohibited. Expect primitive sites—bring a water treatment method and follow Leave No Trace.

Best Time to Visit

Summer brings clear trails and those peak wildflowers (late July into August). That’s also when weekends get busy—go early or pick a weekday if you crave quiet.
Mornings are cooler for the climb and give you more time to linger at the upper basin. Start early on hot days; the switchbacks can feel toasty.

Practical Tips

Keep going to Upper Crystal Lake if you want bigger views—it’s only 0.5 mile beyond Lower.
The trail is a steady climb from the start; pace yourself and bring plenty of water (and a filter to treat lake/stream water).
Stay on the established path through the meadows to protect fragile vegetation.

Who Will Love It

Hikers who don’t mind earning their views, backpackers looking for a short approach to a scenic camp, and anyone who appreciates the drama of an open alpine basin over a tucked-away forest lake.

Pros

Two gorgeous alpine lakes, with designated wilderness camps at both
Short-but-steep hike with big-payoff scenery, especially at Upper Crystal Lake

Cons

Sustained, steep 2,300-foot climb
Popular in peak season, especially on weekends

Tips

Trailhead is on SR 410 about 4 miles north of Cayuse Pass [nps.gov](https://www.nps.gov/mora/planyourvisit/crystal-lakes.htm).
Plan for 6 miles round trip and 2,300 feet of gain; NPS estimates ~3 hours RT [nps.gov](https://www.nps.gov/mora/planyourvisit/crystal-lakes.htm).
Wilderness camps exist at both lakes; permit required and no fires [nps.gov](https://www.nps.gov/mora/planyourvisit/crystal-lakes.htm).
Expect a popular trail in summer—start early or go on a weekday.
Upper Crystal Lake sits in a lovely open basin just 0.5 mile beyond Lower [nps.gov](https://www.nps.gov/mora/planyourvisit/crystal-lakes.htm).