We're updating our camping and moorage fees to continue providing great experiences for visitors amid inflation and rising costs. You will see a rate increase for camping stays booked for May 15 and beyond. Moorage fees will increase Jan. 1. Learn more here.
Lake Sammamish Polar Plunge
Make a splash at the Polar Plunge at Lake Sammamish State Park !
Polar Plunge returns on New Year’s Day 2025. Festivities will begin at 10:30 a.m. with registration, music, and merriment brought to you by Clown Garage on the shores of Sunset Beach. The crowd will “plunge” at noon.
The first 300 registered participants will receive a Polar Plunge SWAG bag, including a commemorative pin from local company Pins by Design..
Spectators are welcome to come out to cheer on the athletes as they take a dunk in the chilly waters of Lake Sammamish.
Polar Plunge returns on New Year’s Day 2025. Festivities will begin at 10:30 a.m. with registration, music, and merriment brought to you by Clown Garage on the shores of Sunset Beach. The crowd will “plunge” at noon.
The first 300 registered participants will receive a Polar Plunge SWAG bag, including a commemorative pin from local company Pins by Design..
Spectators are welcome to come out to cheer on the athletes as they take a dunk in the chilly waters of Lake Sammamish.
Schedule for the Plunge:
Registration opens 10:30
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HIIT class with Fit4Mom 11:00
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Costume Contest judging: 11:30
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Plunge at 12:00
Please dress for the weather and bring water shoes and/or socks.
Visitors will not need a Discover Pass to park at Lake Sammamish State Park.
For more information on how to register or volunteer visit Polar Plunge 2025 — Friends of Lake Sammamish State Park Website | Support, Enhance and Promote Lake Sammamish State Park