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Round Valley Reservoir is a public lake in Hunterdon County, New Jersey, managed by New Jersey DEP Division of Fish and Wildlife. It is public water managed for fishing by NJDEP Fish & Wildlife. Public access confirmed via marquee water.
Round Valley Reservoir — New Jersey's deepest lake and its one true two-story trophy fishery: a self-sustaining lake trout population plus holdover brown and rainbow trout that reach state-record size, over a smallmouth bass base.
Round Valley Reservoir covers about 2,272 acres in the Central Jersey region. Anglers here mostly fish for rainbow trout, brown trout, lake trout, smallmouth bass. The nearest other mapped waters on PiscaMaps are Round Valley Recreation Area Impoundment and Cushetunk Lake.
Species from PiscaMaps water-type profiles, NJDEP Fish & Wildlife trout-stocking records and hand research.
Night fishing: No statewide night-fishing closure in New Jersey on most waters; some park ponds and reservoirs have their own posted hours, and trout-stocked waters have specific in-season closures around stocking days (check the current stocking schedule).
Boats: The big reservoirs and glacial lakes (Round Valley, Spruce Run, Hopatcong, Greenwood, Swartswood, Merrill Creek) take trailered boats via a state ramp, most with a horsepower or electric-only limit; Pine Barrens rivers and smaller lakes are canoe/kayak/car-top.
Bank & bivvy camping: Camp at New Jersey state parks and forests near many of these waters (Round Valley, Swartswood, Stokes, Wharton, Bass River, Belleplain); Wildlife Management Area waters are day-use only.
Tackle: A New Jersey Trout Stamp is required in addition to your fishing licence to fish for or possess trout here; trout water follows seasonal and in-season-closure rules, and several reaches are fly-fishing-only or catch-and-release — check the current NJ Freshwater Fishing Digest.
Boat ramps: 2 mapped — Boat ramp, Boat ramp.
Source: OpenStreetMap contributors.
Anyone 16 to 69 needs a New Jersey freshwater fishing licence — the resident annual is about $22.50, the non-resident annual about $34. A Trout Stamp (about $10.50 resident / $20 non-resident) is required in addition to fish for or possess trout. New Jersey residents 70 and older and anyone under 16 fish free. Buy from NJ Fish & Wildlife at nj.gov/dep/fgw. A New Jersey freshwater fishing licence covers this water — it's on NJDEP's 'Great Fishing Close to Home' public-access list.
Every water carries species, bank & boat access, current regulations and live water conditions — and members get Swim Mapper, Catch Logger and Trip Planner. It's the only US map with a dedicated carp-water layer.
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