The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (steep ledge) is open for everyone; the other 5 come with LakeScope PRO. Full screen
Round Valley Reservoir
Hunterdon County, New Jersey · 2,350 acres (3.7 sq mi)
55°F water, windy Friday (15 mph N).
About Round Valley Reservoir
Round Valley Reservoir spreads over 2,350 acres in Hunterdon County, New Jersey. Round Valley Reservoir is the deepest and, by volume, the largest reservoir in New Jersey.
From end to end it runs about 2.8 miles and its shoreline adds up to about 8.7 miles. Its surface is about 370 ft above sea level. It reaches about 180 ft at its deepest. Lebanon sits right on the water.
- Size
- 2,350 acres (3.7 sq mi)
- Deepest
- About 180 ft
- Shoreline
- About 8.7 miles
- End to end
- About 2.8 miles
- Elevation
- About 370 ft
- Type
- Reservoir
- County
- Hunterdon County
- Water
- Known for clear water
The lake from above
Best fishing times
Saturday Good
- 6:15 am – 8:30 amsunrise · wind 10 mph
- 3:00 pm – 5:15 pm bestsunset, moon overhead · wind 15 mph
Sunday Good
- 6:15 am – 8:30 amsunrise · wind 10 mph
- 4:00 pm – 5:15 pm bestsunset, moon overhead · wind 5 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Round Valley Reservoir
Round Valley Reservoir holds lake trout, trout, catfish and yellow perch. With the surface at 55°F, the notes below say which of them should be biting.
- FairLake trout
Moving deeper. Fish 40 ft and down.
- GoodTrout
Good range. Near the surface and along shorelines.
- FairCatfish
Waking up. Channels and creek mouths, especially after rain.
- GoodYellow perch
Schooled near weed edges and soft bottom.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Steep ledge
A sharp wall beside deep water; fish hang along the edge at the depth they like.
- 2
- 3
- 4
- 5
- 6
5 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 6:43 am · sunset 4:42 pm · waxing crescent moon (lake time).
Towns and places to stay near Round Valley Reservoir
- Lebanonon the shore
- Whitehouse Stationabout 1.7 mi east
- Annandaleabout 1.8 mi northwest
- Clintonabout 3.2 mi west
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Questions about Round Valley Reservoir
What fish are in Round Valley Reservoir?
Round Valley Reservoir holds lake trout, trout, catfish and yellow perch. Check the state fish and wildlife agency for stocking and limits.
How deep is Round Valley Reservoir?
About 180 ft at the deepest point. The 3-D view shows where the deep water is.
How big is Round Valley Reservoir?
2,350 acres, with about 8.7 miles of shoreline.
What town is near Round Valley Reservoir?
Lebanon is on the shore; Whitehouse Station is about 1.7 miles east.
What is the water temperature at Round Valley Reservoir today?
The surface was about 55°F on the latest clear reading. The page updates every day.
Round Valley Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
