Round Lake National Natural Landmark lies within Green Lakes State Park, which lies a few miles east of the city of Syracuse, New York and adjoining the village of Fayetteville. Round Lake itself and
View in October looking down the old spillway towards Green Lake.
Plaque recording the status of Round Lake as a National Natural Landmark
October view through the old growth forest from the escarpment above Round Lake.
Round Lake winter scene
Meromictic lake
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A meromictic lake is a lake which has layers of water that do not intermix. In ordinary, holomictic lakes, at least once each year, there is a physical mixing of the surface and the deep waters.
Round Lake National Natural Landmark
…southwestern side; this text became part of the citation when the landmark was created. Vogelmann also noted Round Lake's importance as an extremely rare, "meromictic" lake. It shares this distinction with Green Lake, which lies a few hundred meters to the east. The virgin quality of the forest near Round Lake was…
McGinnis Lake is a meromictic lake within the Petroglyphs Provincial Park.
Lac Pavin in France is a meromictic crater lake.
Strandvatnet in Nordland down to the left; only a small isthmus separates the lake from Ofotfjord.
Lac du Bourget is the largest and deepest lake in France