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Oregon trails · Old Summit

Old Summit

A 10.7-mile out-and-back in Oregon, with 752 ft of climbing. Reaches Jack Lake and other lake/pass/spring destinations. Managed by the U.S. Forest Service.

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Length
10.7 mi
Elevation gain
752 ft
Difficulty
Expert
Max grade
37%
Steepest mile
+409 ft
Tread at ≥10% grade
2.3 mi
Shape
out-and-back
Bikes
no
Horses
yes
Managed by
U.S. Forest Service

Elevation profile

4,755 – 5,509 ft12345678910

The climbing is spread fairly evenly along the route. It gives back about 1,146 ft along the way, so it rolls rather than climbing steadily.

3-D terrain

3-D terrain view of Old Summit

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5

Reaches

Heads up

Sections reported faint or hard to follow — carry a map or download this area offline.

Getting there

PCT - SANTIAM PASS — parking nearby, restroom, water, fee site. About 1 h 02 min drive (43 mi) from Bend. 44.42564, -121.84867 · directions

Daylight at the trailhead

On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:51 a.m., the sun rises at 7:21 a.m. and sets at 6:25 p.m., and the last usable light fades about 6:54 p.m. (PDT) — 11 h 04 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 21.5-mile round trip takes roughly 8 h 42 min, so leaving the trailhead at sunrise puts you back around 4:03 p.m. — 2 h 22 min before sunset.

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