Green Lake is a freshwater lake in north central Seattle
, within Green Lake Park. The park is surrounded by the Green Lake neighborhood to the north and east, the Wallingford neighborhood to the south, the Phinney Ridge neighborhood to the west, and Woodland
Park to the southwest. It is a glacial lake, its basin having been dug 50,000 years ago by the Vashon Glacier
, which also created Lake Washington
, Bitter and Haller Lakes.
The lake has a surface area of 259 acres (1.05 km2), a mean depth of 13 feet (3.8 m), and a maximum depth of 30 feet (9.1 m). The lake has been dredged in order to maintain its depth. Green Lake lacks both surface water inflows and outflows.Ravenna Boulevard and its wide, grassy median were constructed over the creek bed. The lake is now fed by rainfall, storm runoff, and Seattle's municipal water supply.
To the east of the lake across from the park, sits the Green Lake Library, built in 1910 with funds from Andrew Carnegie.The Green Lake Small Craft Center,which is a Seattle Parks facility, is the training ground for Green Lake Crew, which has a history of successful rowing at the national level.Green Lake is a beacon for wildlife. Many types of wildlife, ducks, cormorants, loons, herons.