Olympic National Park

Mount Olympus Trail

strenuous Experienced HikersSolitude SeekersRainforest Lovers
17.5 mi Distance
3,600 ft Elevation Gain
9-11 hours Estimated Time
roundtrip Trail Type

What to Expect

This is Olympic's grand traverse — a full-day odyssey that starts in cathedral-like Hoh Rainforest, where moss drapes every surface and the air feels ten degrees cooler than the trailhead parking lot. You'll spend the first several miles on soft, root-laced trail beneath a canopy so thick it filters the sun into green-gold shafts. The forest gradually thins as you climb through subalpine meadows, and the final push delivers nearly three thousand feet of relentless elevation gain that will have your quads filing a formal complaint. The payoff is a front-row seat to the Blue Glacier and the flanks of Mount Olympus itself — a view that makes every step worth the suffering. Most day-hikers turn around at Glacier Meadows rather than attempting the technical summit. This trail belongs to strong hikers who want to earn a wilderness experience that feels genuinely remote, even in a popular park.
Experienced HikersSolitude SeekersRainforest LoversSummit BaggersPhotographers

Safety Advisory

Multiple unbridged river and creek crossings can be knee-deep or higher during snowmelt season — trekking poles and water shoes earn their weight here, and turning back is the right call if flows look fast.

The upper route above Glacier Meadows crosses snowfields and crevassed glacier terrain that demands ice axes, crampons, and route-finding experience — do not attempt the summit without mountaineering gear and skills.

Black bears are common throughout the Hoh valley; bear canisters are required for overnight stays, and even day-hikers should keep food sealed and practice awareness at creek crossings where visibility drops.

Trail Details

Distance 17.5 miles round-trip
Elevation Gain 3,600 ft
Difficulty strenuous
Estimated Time 9-11 hours
Trail Type roundtrip
Pets Not allowed
Season Year-round
Trailhead Mount Olympus Trail

Pro Tips

Trail Tip

Start at first light from the Hoh Rain Forest Visitor Center trailhead — the nearly eighteen-mile round trip demands every hour of summer daylight, and afternoon heat in the exposed upper sections is no joke.

Trail Tip

Carry a water filter rather than packing all your water; you'll cross multiple reliable streams in the first half, but sources thin out as you gain elevation above the treeline.

Trail Tip

The Elk Lake viewpoint around mile five makes an ideal rest stop and turnaround point if your legs are already talking back — you still get the full rainforest experience without committing to the brutal upper climb.

More Trails in Olympic

Explore Olympic National Park

12 campgrounds, 600 trails, 3.7M annual visitors

View Park Guide