Mount Rainier National Park

Emerald Ridge Trail

Experienced HikersGlacier ViewsSolitude Seekers
17.2 mi Distance
Varies Estimated Time
roundtrip Trail Type

What to Expect

This is a serious day hike that earns every inch of its reputation. Starting from the Wonderland Trail access near Longmire, you'll climb through old-growth forest thick with Douglas fir and western red cedar before breaking into subalpine meadows that explode with lupine and paintbrush in late July. The trail follows the Tahoma Creek drainage, crossing several footbridges over milky glacial runoff before the final push up to the ridge itself — a rocky spine with views that put most Rainier trails to shame. From Emerald Ridge, you're staring directly at the Tahoma Glacier's snout, close enough to hear it creak. The return trip covers the same ground, so budget your energy accordingly. At over seventeen miles round trip, this one is for hikers who want to feel like they've actually been somewhere, not just collected a selfie.
Experienced HikersGlacier ViewsSolitude SeekersWildflower SeasonPhotographers

Safety Advisory

Tahoma Creek is prone to glacial outburst floods (jokulhlaups) that can wash out bridges and trails with little warning. Check current trail conditions with the Longmire Wilderness Information Center before heading out — closures happen multiple times per season.

Snow lingers on the upper ridge well into July most years, and the final approach can involve exposed scrambling on loose volcanic rock. Microspikes and solid route-finding skills are essential before mid-August.

This trail is long enough that afternoon thunderstorms are a real concern in summer. The ridge offers zero shelter and you're the tallest thing up there — turn around if you see cumulonimbus building to the south.

Trail Details

Distance 17.2 miles round-trip
Estimated Time Varies
Trail Type roundtrip
Pets Not allowed
Season Year-round
Trailhead Emerald Ridge Trail

Pro Tips

Trail Tip

Start before 7 AM from Longmire to ensure you're on the ridge by midday, when clouds typically roll in and swallow the glacier views. The parking area near the Wonderland trailhead fills fast on summer weekends.

Trail Tip

Bring trekking poles — the Tahoma Creek section involves loose glacial moraine that shifts underfoot, and your knees will thank you on the long descent back. Filter water from streams along the way rather than carrying your full supply from the car.

Trail Tip

The best photo position on Emerald Ridge is about a quarter mile past where most hikers stop and turn around. Push to the high point where the ridge narrows and you get an unobstructed panorama of both Tahoma Glacier and the South Puyallup River valley below.

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