Topolu
Explore

Peak maps

Compare

Treks with GPX

Lake · South Dakota

Lake Francis Case

412 m1,352 ft
Area
337 km²
Tonight
56°FPartly cloudy · Wind 10–15 mph S

Lake Francis Case is a lake at 412 m above sea level in South Dakota, United States, 337 km² in area and 131.8 km long.

All facts
Surface elevation
412 m
Length
131.8 km
Shoreline
570.5 km
Open the 3D view
Lake

Lake Francis Case in numbers

Shoreline from OpenStreetMap.

Shoreline
570.5 km
3D map

Lake Francis Case 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 20 × 20 km

Surface
Vertical scale
Topographic map

Lake Francis Case 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

Lake Francis Case 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

Lake Francis Case weather

Tonight · Partly cloudy · 56°F (13°C) · 37% chance of precipitation · Wind 10–15 mph S

Lake Francis Case forecast for about 378 m.

  • Tonight56°37%10–15 mph S
  • Sat41°59°54%10–20 mph WNW
  • Sun37°49°94%5–10 mph NE
  • Mon37°49°94%10 mph NE
  • Tue42°55°24%5 mph SW
  • Wed38°61°17%10–15 mph WSW
  • Thu37°57°11%5–10 mph NNW

Forecast data: NOAA National Weather Service, public domain, model run Oct 24, 01:43 UTC.

Camping & parking

Camping & parking near Lake Francis Case

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

All mapped places 5
PlaceDistance
Parking0.8 km SSE
Parking1.7 km SSW
Parking1.7 km NE
Caravan site2.2 km ENE
Caravan site2.8 km N
Slope

Slope

Share of the 20 × 20 km view by steepness, from the 10 m model.

Mostly gentle: 88% of the view is under 15°.

Gentle, 0–15°
88.2%
Moderate, 15–30°
11.5%
Steep, 30–45°
0.3%
Cliffs, 45° and over
0.0%
Steeper than 30°
0.3% of the 400 km² view
Relief in view
224 m low point 372 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Grassland 52.5%Trees 19.9%Cropland 16.9%Water 10.0%Built-up 0.5%

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

Where it sits

Where Lake Francis Case sits

Region
South Dakota6United States932North America1,313
Nearby

Nearby places

Downloads

Lake Francis Case 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/lake-francis-case" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Lake Francis Case"></iframe> <p><a href="https://topolu.com/lake-francis-case" 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 2026-08-26)
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)
Forecast
Weather forecast from NOAA National Weather Service (public domain)
Sources
Wikidata · GeoNames · Wikipedia