Also on the map ofRocky Mountains‹ American Cordillera
Sylvan Lake
- Area
- 0.07 km²
- Tonight
- 32°FPartly cloudy · Wind 9–22 mph NW
Sylvan Lake is a lake at 1,874 m above sea level in South Dakota, United States, 0.07 km² in area and 0.5 km long.
All facts
- Surface elevation
- 1,874 m
- Length
- 0.5 km
- Shoreline
- 1.8 km
Sylvan Lake in numbers
Shoreline from OpenStreetMap.
- Shoreline
- 1.8 km≈30 min to walk around
Sylvan Lake 3D map
Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 4 × 4 km
Sylvan Lake terrain and contours
20 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.
Sylvan Lake elevation profile
West → east through the centre
Sylvan Lake weather
Tonight · Partly cloudy · 32°F (0°C) · 9% chance of precipitation · Wind 9–22 mph NW
Sylvan Lake forecast for about 1,978 m.
- Tonight32°9%9–22 mph NW
- Sat28°46°10%3–16 mph N
- Sun27°36°34%5 mph E
- Mon27°37°51%3 mph E
- Tue33°52°15%8 mph SW
- Wed28°49°8%3–13 mph W
- Thu29°49°9%3 mph SW
Forecast data: NOAA National Weather Service, public domain, model run Oct 24, 02:21 UTC.
Camping & parking near Sylvan Lake
Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Sylvan Lake, nearest first, by straight-line distance. Check access, fees and permits locally.
Nearest hut
0.2 km SW
Nearest parking
0.3 km ENE
Nearest campsite
Sylvan Lake Campground
Nearest trailhead
Cathedral Spires Trailhead
Nearest caravan site
Mount Rushmore KOA Resort at Palmer Gulch Resort
All mapped places 11
| Place | Distance |
|---|---|
| Hut | 0.2 km SW |
| Parking | 0.3 km ENE |
| Parking | 0.3 km S |
| Hut | 0.3 km WSW |
| Hut | 0.3 km WSW |
| Parking | 0.4 km ENE |
| Sylvan Lake CampgroundCampsite | 0.9 km SE |
| Cathedral Spires TrailheadTrailhead | 2.3 km E |
| Horse Thief Campground & ResortCampsite | 3.3 km NNW |
| Oreville CampgroundCampsite | 5.3 km NW |
| Mount Rushmore KOA Resort at Palmer Gulch ResortCaravan site | 7.0 km NNE |
Slope
Share of the 4 × 4 km view by steepness, from the 10 m model.
Mixed terrain: gentle slopes, steep faces and everything between.
- Steeper than 30°
- 13.0% of the 16 km² view
- Relief in view
- 462 m low point 1,669 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 km; 431 species recorded in all.
Sightings per species 6
- Fireweed106
- Least Chipmunk88
- Richardson's geranium78
- Wood Lily67
- Wild bergamot63
- Rocky Mountains Ponderosa Pine53
Where Sylvan Lake sits
- Region
- South Dakota6United States932North America1,313
Nearby places
More in the Rocky Mountains 6
Sylvan Lake 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 2026-09-09)
- 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)
- 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)