
Lake Tappan
- Area
- 2.98 km²
- Tonight
- 39°FPartly cloudy · Wind 3 mph N
Lake Tappan is a lake at 16 m above sea level in New York, United States, 2.98 km² in area and 3.5 km long.
All facts
- Surface elevation
- 16 m
- Length
- 3.5 km
- Shoreline
- 11.2 km
Lake Tappan in numbers
Shoreline from OpenStreetMap.
- Shoreline
- 11.2 km≈2¾ h to walk around
Lake Tappan 3D map
Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 5.5 × 5.5 km
Lake Tappan terrain and contours
5 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.
Lake Tappan elevation profile
West → east through the centre
Lake Tappan weather
Tonight · Partly cloudy · 39°F (4°C) · Wind 3 mph N
Lake Tappan forecast for about 15 m.
- Tonight39°–3 mph N
- Sat38°64°–3 mph NW
- Sun41°66°–2 mph W
- Mon47°69°–3 mph W
- Tue40°61°1%5–8 mph N
- Wed45°59°3%3 mph E
- Thu49°66°4%0–7 mph SW
Forecast data: NOAA National Weather Service, public domain, model run Oct 23, 23:59 UTC.
Camping & parking near Lake Tappan
Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Lake Tappan, nearest first, by straight-line distance. Check access, fees and permits locally.
Nearest parking
0.5 km N
Slope
Share of the 5.5 × 5.5 km view by steepness, from the 10 m model.
Mostly gentle: 99% of the view is under 15°.
- Steeper than 30°
- 0.0% of the 30 km² view
- Relief in view
- 91 m low point 8 m
Land cover
ESA WorldCover 10 m classification of the same area.
Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.
Wildlife seen nearby
Sightings of the most-seen species on iNaturalist (research grade) within 2.8 km; 229 species recorded in all.
Sightings per species 6
- American beech31
- Beechdrops22
- White-tailed Deer16
- Eastern Skunk Cabbage7
- Spotted Lanternfly7
- American Robin5
Where Lake Tappan sits
- Region
- New York58United States932North America1,313
Nearby places
Lake Tappan 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
Free to use with credit: see the data sources
Data sources
- Terrain
- U.S. Geological Survey, 3D Elevation Program (public domain)
- Imagery
- Contains modified Copernicus Sentinel data 2026 (scene 2026-08-12)
- 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)
- Wildlife
- iNaturalist community observations, counts only
- Forecast
- Weather forecast from NOAA National Weather Service (public domain)