Alaska trails · Harbor Mt./gavan Hill
A 5.9-mile out-and-back in Alaska, with 2,510 ft of climbing. Reaches Gavan Hill and other summit/viewpoint destinations. Managed by the U.S. Forest Service.
The climbing leans toward the first third: 54% of the ascent falls between mile 0.0 and mile 2.0.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
HARBOR MOUNTAIN TRAILHEAD — parking nearby. About 38 min drive (12 mi, 7 of them unpaved) from Sitka city and. 57.08800, -135.35800 · directions
On October 14, 2026 — the day this page was generated — first light reaches this trailhead at 6:53 a.m., the sun rises at 7:32 a.m. and sets at 6:01 p.m., and the last usable light fades about 6:39 p.m. (AKDT) — 10 h 29 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 11.9-mile round trip takes roughly 6 h 54 min, so leaving the trailhead at sunrise puts you back around 2:26 p.m. — 3 h 35 min before sunset.