Grand Teton National Park

Delta Lake Trail

Experienced HikersPhotographersSummit Baggers
0 mi Distance
Varies Estimated Time
Out & Back Trail Type

What to Expect

Delta Lake is the Tetons' worst-kept secret — an unmaintained scramble that rewards you with one of the most jaw-dropping alpine lakes in the entire range. You'll start at Lupine Meadows and follow the well-worn Surprise Lake trail before veering off onto a steep, unmarked climbers' path. The final push involves a hands-on boulder scramble up a loose gully that gains serious elevation in a hurry. Your legs will be screaming, but then you crest the moraine and there it is: an impossibly turquoise lake sitting in a glacial cirque directly beneath the Grand Teton's north face. The color comes from glacial flour suspended in snowmelt, and on a calm morning the reflection of the Cathedral Group will stop you mid-step. This trail belongs to confident scramblers who don't mind route-finding and earn their views the hard way.
Experienced HikersPhotographersSummit BaggersAlpine Lake LoversAdventure Seekers

Safety Advisory

The boulder scramble section is steep, loose, and completely unmarked — rockfall is a real hazard, especially when other hikers are above you. Wear a helmet if you have one, and never scramble directly below another party.

Snow lingers in the gully well into July most years, turning the scramble into a serious mountaineering objective. Without microspikes and an ice axe, a slip on hard-packed snow here could be fatal — check recent trip reports before committing.

This is prime grizzly country. Carry bear spray on your hip, not buried in your pack, and make noise on the forested sections below treeline where visibility drops.

Trail Details

Estimated Time Varies
Trail Type Out & Back
Pets Not allowed
Season Year-round
Trailhead Delta Lake Trail

Pro Tips

Trail Tip

Start before 7 AM to snag parking at Lupine Meadows — by mid-morning the lot overflows onto the road, and rangers will ticket you for creative parking solutions.

Trail Tip

The unmarked junction where you leave the Surprise Lake trail is roughly 4.5 miles in, near a boulder field on your left. Look for a well-worn boot path cutting uphill — if you reach Surprise Lake, you've gone too far.

Trail Tip

The lake faces east, so morning light hits the Grand Teton's face perfectly for photos. Bring a polarizing filter to cut the glare and pull out that unreal turquoise color in the water.

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