California trails · American River Bike Path
A 9.5-mile out-and-back in California, with 409 ft of climbing. Reaches Hunkle Reservoir and other lake/viewpoint destinations. Managed by the state.
Most of the climbing sits in the middle third — 77% of the ascent, between mile 5.4 and mile 10.7. It gives back about 380 ft along the way, so it rolls rather than climbing steadily.
American River Bike Path access. 38.63649, -121.22549 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 6:05 a.m., the sun rises at 6:33 a.m. and sets at 7:36 p.m., and the last usable light fades about 8:03 p.m. (PDT) — 13 h 04 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 19.0-mile round trip takes roughly 7 h 26 min, so leaving the trailhead at sunrise puts you back around 1:59 p.m. — 5 h 37 min before sunset.