Rattlesnake Lake is a lake in King County, Washington, located in Rattlesnake Mountain Scenic Area some east of Seattle.Using our custom trip planner, North Bend attractions like Rattlesnake Lake Recreation Area can form part of a personalized travel itinerary.
The town of Moncton existed from 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 is part of the Rattlesnake Lake Recreation Area, which is owned and managed by Seattle Public Utilities as a non-development buffer to the protected municipal watershed lands. The watershed supplies 65% of the Seattle region’s unfiltered drinking water to nearly 800,000 people. However, Rattlesnake Lake itself is not used for drinking water and is spring-fed by the nearby Cedar River.
Rattlesnake Lake attracts many people during the summer. The Rattlesnake Ledge Hiking Trail ascends 1,160 feet over two miles of well maintained switchbacks from the north shore of the lake to the scenic Rattlesnake Ledge viewpoint that overlooks the lake.
Fishing is also popular, as the lake is one of two catch-and-release-only waters in the North Puget Sound area.
The lake has many tree stumps which are exposed when the water level is low enough. The exposed stumps are often used by birds as nesting sites.
The spacious, grassy shores around the lake are used for many outdoor activities, including slacklining and picnicking.
Rattlesnake Lake Recreation Area reviews
Parking spaces are limited. When we arrived around noon, there was still a good amount of available spots. The water wasn't too cold, there wasn't a lot of people at the time. We left around 3:30pm... more »
AVOID on the weekends unless you like wall to wall hikers and a "crowded like a subway" viewpoint on top. The trail is very well maintained and was recently (within last 10 years) reconstructed to... more »
Great hike but expect to see lots of people. For me, every one stopped and turned around at the first ledge so hiking past that brought some calm. My almost 4 year old made it to the upper ledge (slow but steady) and part of the way down before needing to be carried. Bathrooms were clean The lake is pretty and all the stumps made fun climbing challenges for my daughter.
Took my son and my dog hiking and we had a blast. The trial was great I loved the scenery. And the lake was perfect the only bad thing is there were sooo many people on the trial. But I think with proper planning I'd go earlier in the morning maybe beat the crowd.
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