Every Lake
Lewis and Clark Lake
Formed in 1957 when Gavins Point Dam backed up the Missouri River near Yankton.
- 15 ft · first step
- 31 ft
- 46 ft
- 61 ft
- 77 ft
- 92 ft · bottom
About Lewis and Clark Lake
Lewis and Clark Lake formed in 1957 when the U.S. Army Corps of Engineers completed Gavins Point Dam on the Missouri River, backing up water along the Nebraska-South Dakota border near Yankton, South Dakota. The reservoir takes its name from the Lewis and Clark Expedition, which traveled this stretch of the Missouri in 1804 on its way west. The dam is the last of six major Missouri River dams built for flood control, hydropower, and navigation, and it marks the start of the free-flowing Missouri National Recreational River downstream.
Yankton, South Dakota, and Crofton, Nebraska, sit along its shores, with the town of Springfield, South Dakota, and Niobrara, Nebraska, farther upstream near where the Niobrara River enters the lake. The lake draws boaters, campers, and anglers who fish for walleye, catfish, and white bass across roughly 21,000 acres of water. Its shape follows the old Missouri River channel, long and narrow with coves and points rather than one open basin, and the upper end continues to fill in with sediment carried down by the Niobrara.
- 8 shore towns named, with a star on each
- 241 roads engraved around the shore, 9 of them labeled
- 6 depth layers, each step engraved with its depth in feet
- Compass rose, title block with coordinates, max depth and area; keyhole hanger on the back
Turn it in your hands
Live 3D of the actual cut files — drag to orbit, pinch to zoom. Every road you see is engraved on the real thing.
Viewer not showing? Open it full screen.
Lewis and Clark Lake depth chart, in wood
This is a Lewis and Clark Lake depth chart you can hang: 6 stacked layers of birch, each one a depth contour — 15 ft, 31 ft, 46 ft, 61 ft, 77 ft and deeper, down to the deepest hole at about 92 ft. The lake covers about 33.6 square miles, and 241 shore roads are engraved around it. The shape of the bottom is the real one from published soundings, so anglers recognise their drop-offs and points.
A Lewis and Clark Lake map for the wall — or a gift
Most of these go to a cabin wall, a lake house entry, or a home office; a lot are gifts — the family that has been on Lewis and Clark Lake for three generations, the retirement move, the first boat. The 12-inch is the desk-and-shelf size; the 24- and 30-inch boards read across a room. Add a line under the title and star your place on the shore, and it becomes the map of your Lewis and Clark Lake.
Lewis and Clark Lake map — the details
How big is the map?
Four sizes: 12, 17, 24 and 30 inches on the long side, from $149. Every size is cut from the same depth data of Lewis and Clark Lake; the bigger boards carry more shoreline roads and place names.
Is it made from real depth data?
Yes. Lewis and Clark Lake is cut layer by layer from published bathymetric soundings — each layer of birch is a depth contour, so the shape of the bottom is the real one, not decorative.
Can I add my own place on it?
Yes. At checkout you can add a line under the title (a family name, a cabin name, a year) and star the spot on the shore that matters to you.
How long does it take?
Made to order in Waterford, Pennsylvania and shipped in 7–10 days; shipping is free in the lower 48.
Can you make a lake that isn't listed?
Any lake in the United States — we hold depth data for 104,419 of them. Search for yours; if it isn't built yet we build it when you order.
- 6 depth layers down to 92 ft
- 33.6 square miles of water
- 241 shore roads engraved, 9 named
- Title block, compass rose and depth markers
- Birch plywood, keyhole hanger, made in Waterford, PA
