Paradise Lake is a small freshwater lake in the north of King County, Washington, USA, located two miles east of Woodinville.

[4] It feeds into Bear Creek, which flows towards the Sammamish River at Redmond.

[6] The lake is also home to a very rare species of mollusk, Valvata mergella, collected by W. J. Eyerdam in 1941, B. R. Bales in 1958, and T. J. Frest and E. J. Johannes in 1995.

[9] Water quality in the lake was classified as eutrophic by the King County Department of Natural Resources and Parks in 2003.

[4] Phosphorus content was found to be significantly higher in the depths through sedimentary release.