New Jersey trails · Jenny Jump Trail
A 8.3-mile out-and-back in New Jersey, with 551 ft of climbing. Reaches Lake Just-It. Managed by the state.
The climbing is spread fairly evenly along the route. It gives back about 1,099 ft along the way, so it rolls rather than climbing steadily.

USGS 3DEP ELEVATION × ESRI WORLD IMAGERY · VERTICAL ×1.5
Jenny Jump Trail access — parking nearby. 40.91191, -74.92527 · directions
On August 31, 2026 — the day this page was generated — first light reaches this trailhead at 5:56 a.m., the sun rises at 6:25 a.m. and sets at 7:34 p.m., and the last usable light fades about 8:02 p.m. (EDT) — 13 h 09 min of daylight. At about 2.7 mph plus 30 minutes per 1,000 feet of climbing, the 16.7-mile round trip takes roughly 6 h 44 min, so leaving the trailhead at sunrise puts you back around 1:08 p.m. — 6 h 25 min before sunset.