Yellowstone Lake by the Numbers

All the numerical facts about the lake such as square miles and depth.
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Yellowstone Lake. Photo by Lori McCaffrey

7,733 Feet Elevation of Yellowstone Lake - the nation's largest high-altitude lake

Streams that flow into Yellowstone Lake. The Yellowstone River is the largest inflow and only outflow to the lake.

136 Square miles surface area

110 Miles of shoreline

20 Miles north to south

14 Miles east to west

139 Feet Average depth

390 Feet Maximum depth

640 Vents mapped under Yellowstone Lake