Lost Lake (formerly called Devil's Lake) is located southeast of Maltby between Highway 522 and the Snohomish-King County line. The lake is 13.2 acres with a maximum depth of 45 feet. The watershed, or the land area that drains into the lake, covers 156.9 acres.
- Boat Launch
- Boating (No gasoline-powered motors)
Fishing InformationThe Washington Department of Fish and Wildlife (WDFW) maintains informational pages for each lake in Washington that include: fish stocking schedules, fishing prospect calendars, and boat launch information.
Lost Lake does not have a formal lake association. However, you may be able to connect with other lake area residents by looking for a Lost Lake community group on NextDoor or Facebook.
Connect with Your Lake Community
Lake Health and Additional ResourcesAs part of Snohomish County's Lake Management Program, County staff and volunteer lake monitors have been tracking the health of Lost Lake since 1992.
|Health Report Card
|In Depth Health Report
For more historical information on Lost Lake please refer to the 2003 State of the Lakes Report.
MapsView maps of Lost Lake and the surrounding area, including the location of public access sites.
Depth contours of the lake
Depth contours of the lake with satellite images