Mount Rainier National Park

Cowlitz Divide Trail (Olallie Creek Trail)

Solitude SeekersWildflower SeasonPhotographers
0 mi Distance
Varies Estimated Time
Out & Back Trail Type

What to Expect

The Cowlitz Divide Trail starts from the Ohanapecosh area and climbs steadily through old-growth forest so thick the canopy feels like a cathedral ceiling. You'll wind through towering Douglas fir and western red cedar before the trail breaks onto the spine of the Cowlitz Divide, where the trees thin out and views of the Ohanapecosh River valley open up below you. The route follows Olallie Creek early on, crossing through meadows that explode with lupine and paintbrush in midsummer. As you gain the ridge, Mount Rainier reveals itself in stages — first a shoulder, then the full glaciated mass. This is a quieter corner of the park, well off the tourist circuit, so you'll likely share the trail with nothing but marmots and the occasional elk. Perfect for hikers who want a genuine backcountry feel without a permit hassle.
Solitude SeekersWildflower SeasonPhotographersExperienced HikersBackcountry Feel

Safety Advisory

Snow lingers on the upper divide well into July in heavy snow years. The ridge trail can be difficult to follow under snowpack, so bring a GPS track or topo map rather than relying on footprints.

The exposed ridgeline has no shelter from afternoon thunderstorms. If clouds start building over the Cascades by midday, plan to be off the divide before early afternoon.

Trail Details

Estimated Time Varies
Trail Type Out & Back
Pets Not allowed
Season Year-round
Trailhead Cowlitz Divide Trail (Olallie Creek Trail)

Pro Tips

Trail Tip

Start from the Ohanapecosh area trailhead early — the parking lot is small and shared with other trail users, so arriving before 8 AM on summer weekends saves you from roadside overflow parking.

Trail Tip

Carry more water than you think you need. Olallie Creek is accessible early in the hike, but once you climb onto the divide proper, there are no reliable water sources until you drop back down.

Trail Tip

The ridge section offers the best photography light in late afternoon when Rainier catches golden hour from the east side — a perspective most visitors never see since the popular viewpoints are all on the west and south flanks.

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