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Deschutes County

Green Lakes – South Sister Summit loop from Green Lakes Trailhead

Routes

Hiking trails & Routes

United States

Oregon

Deschutes County

Green Lakes – South Sister Summit loop from Green Lakes Trailhead

Hard

3.1

(16)

hikers

Green Lakes – South Sister Summit loop from Green Lakes Trailhead

10:20

24.9km

1,490m

Hiking

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: May 30, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 7.66 km for 3.15 km

Waypoints

Start point

Parking

Get Directions

990 m

Fall Creek Falls

Highlight • Waterfall

As you follow the trail, the sound of water rushing down the creek of the breathtaking falls fills the air, especially during the early season. Fall Creek is fed by …

Tip by

6.89 km

Green Lakes

Highlight • Lake

The Green Lakes are a popular spot for a hike into the Three Sisters Wilderness. Enjoy the stunning colors of the crystal clear lakes. If you are (a lot) more …

Tip by

10.7 km

View of Lewis Glacier & Lewis Tarn

Highlight • Viewpoint

Before you continue your challenging ascend towards the summit of the South Sister, this is a great spot to catch your breath and eat a snack. The glacier-fed pond is …

Tip by

11.5 km

Ascend to South Sister summit

Highlight • Summit

The final and seemingly endless climb up the South Sister is challenging. The trail – if you can call it that – is steep and slippery due to loose rock. …

Tip by

12.5 km

South Sister Summit

Highlight • Summit

The view at the summit of the South Sister is absolutely breathtaking! And you can be proud once you are up here. You will be treated with a 360° panorama …

Tip by

17.0 km

South Sister Climbers Trail

Highlight • Trail

17.9 km

View of Moraine Lake

Highlight • Viewpoint

From this exposed ridge, you can see shimmering Moraine Lake way below you. There is a trail leading down to the lake further south.

Tip by

19.0 km

Moraine Lake

Highlight • Lake

Carved by the Lewis Glacier, Moraine Lake is a beautiful alpine lake at the base of South Sister. While it is extremely popular in the summer and requires a permit …

Tip by

24.9 km

End point

Parking

Way Types & Surfaces

Way Types

17.7 km

7.17 km

< 100 m

Surfaces

23.7 km

742 m

429 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Today

Saturday 27 June

3°C

-1°C

79 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Green Lakes – South Sister Summit loop from Green Lakes Trailhead

Fall Creek Falls

Green Lakes

View of Lewis Glacier & Lewis Tarn

Ascend to South Sister summit

South Sister Summit

South Sister Climbers Trail

View of Moraine Lake

Moraine Lake

Nearby routes

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