Topolu
Explore

Peak maps

Compare

Treks with GPX

Lake · New Jersey

Round Valley Reservoir

112 m367 ft
Area
8.98 km²
Tonight
32°FAreas of frost · Wind 0 mph

Round Valley Reservoir is a lake at 112 m above sea level in New Jersey, United States, 8.98 km² in area and 5.1 km long.

All facts
Surface elevation
112 m
Length
5.1 km
Shoreline
16.9 km
Open the 3D view
Lake

Round Valley Reservoir in numbers

Shoreline from OpenStreetMap.

5.1 km longest1 kmN ↑
Shoreline
16.9 km≈4¼ h to walk around
3D map

Round Valley Reservoir 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 7.1 × 7.1 km

Surface
Vertical scale
Topographic map

Round Valley Reservoir terrain and contours

10 m contours from the USGS 3DEP 10 m terrain model. Click two points on the map to draw your own cross-section.Tap two points on the map to draw your own cross-section.

Index contours every 50 mShowing west → east through the centre

Round Valley Reservoir elevation profile

West → east through the centre

Hover the profile to read elevation and distance.Tap or drag along the profile to read elevation and distance.
Weather

Round Valley Reservoir weather

Tonight · Areas of frost · 32°F (0°C) · Wind 0 mph

Round Valley Reservoir forecast for about 91 m.

  • Tonight32°–0 mph
  • Sat33°62°–0 mph
  • Sun36°64°–0 mph
  • Mon46°68°–0–5 mph W
  • Tue40°64°–0–5 mph N
  • Wed44°61°3%0 mph
  • Thu48°67°3%0–5 mph W

Forecast data: NOAA National Weather Service, public domain, model run Oct 23, 22:05 UTC.

Camping & parking

Camping & parking near Round Valley Reservoir

Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Round Valley Reservoir, nearest first, by straight-line distance. Check access, fees and permits locally.

  • Nearest parking

    South Area

    2.3 km WNW · +2 more within 2.3 km

    DirectionsMap

  • Nearest campsite

    Babtist Camp and Conference Center

    4.8 km NNE

    DirectionsMap

  • Nearest trailhead

    Landsdown Trail (Lower Landsdown Road)

    7.6 km W · +2 more within 8.0 km

    DirectionsMap
All mapped places 7
PlaceDistance
Parking2.2 km WNW
South AreaParking2.3 km WNW
Parking2.3 km NE
Babtist Camp and Conference CenterCampsite4.8 km NNE
Landsdown Trail (Lower Landsdown Road)Trailhead7.6 km W
Capoolong Creek WMA Trailhead (Landsdown Road)Trailhead7.8 km W
Landsdown Trail Trailhead (Fox Lumber)Trailhead8.0 km WNW
Slope

Slope

Share of the 7.1 × 7.1 km view by steepness, from the 10 m model.

Mostly gentle: 93% of the view is under 15°.

Gentle, 0–15°
93.1%
Moderate, 15–30°
6.8%
Steep, 30–45°
0.1%
Cliffs, 45° and over
0.0%
Steeper than 30°
0.1% of the 50 km² view
Relief in view
212 m low point 43 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Trees 58.1%Grassland 17.7%Water 16.6%Cropland 4.0%Built-up 3.2%

Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.

Wildlife

Wildlife seen nearby

Sightings of the most-seen species on iNaturalist (research grade) within 3.6 km; 1,258 species recorded in all.

Sightings per species 6
  • Bufflehead71
  • Bluegill49
  • Spotted Lanternfly47
  • Wineberry43
  • Mallard41
  • Lesser Scaup41
Where it sits

Where Round Valley Reservoir sits

Region
New Jersey8United States932North America1,313
Nearby

Nearby places

More 1
Downloads

Round Valley Reservoir downloads: topographic map, heightmap, STL 3D model and DEM

Free files made in your browser from this page's terrain data. No sign-up; credit the sources below.

Print & wall
3D printing & 3D apps
GIS & GPS
</>Embed this mapPaste this into your site to show the interactive 3D terrain, with a credit link back here.<iframe src="https://topolu.com/embed/round-valley-reservoir" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Round Valley Reservoir"></iframe> <p><a href="https://topolu.com/round-valley-reservoir" rel="nofollow">Topolu</a></p>

Free to use with credit: see the data sources

Sources

Data sources

Terrain
U.S. Geological Survey, 3D Elevation Program (public domain)
Imagery
Contains modified Copernicus Sentinel data 2026 (scene 2026-08-29)
Land cover
© ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts
Wikidata (CC0)
Camping & parking, Geometry
© OpenStreetMap contributors (ODbL)
Summits
© OpenStreetMap contributors, via Overture Maps Foundation (ODbL)
Protected area
USGS Gap Analysis Project, PAD-US (public domain)
Wildlife
iNaturalist community observations, counts only
Forecast
Weather forecast from NOAA National Weather Service (public domain)
Sources
Official website · Wikidata · GeoNames · Wikipedia