|Location||King County, Washington|
|Basin countries||United States|
|Average depth||20 feet|
|Max. depth||40 feet|
The town of Moncton existed in 1906–1915 around the northern edge of Rattlesnake Lake. In the spring of 1915 it was destroyed by flooding caused by seepage of water from the newly created Chester Morse Lake into Rattlesnake Lake, and later condemned. Hardly any traces remain.
Rattlesnake Lake attracts many people that during the summer. The lake itself has many <<link:0>>, which are used by birds as nesting sites. There is also a rare form of geese that are hybrids of Canada Geese and something unknown and rather foreign to that specific area.
The lake has recently become a popular place for locals to slackline and perform other outdoor activities on the lake's spacious, grassy shores.
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