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 on the shores of Sunset Beach. The crowd will “plunge” at noon.

The first 300 registered participants will receive a Polar Plunge SWAG bag.

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

• First Day Hikes w/WSP Interpretive Specialist: 10:30 & 11:00

• Costume Contest judging: 11:30

• Plunge at 12:00

Washington State Parks also invites the public to ring in the new year during its annual First Day Hikes event on Jan. 1, 2025. Hikes will be an invigorating 15 to 20 minutes. An all-ages experience, these roughly half mile hikes will feature uneven terrain. Weather dependent the trail may be slippery, icy or snow-covered. Please dress for the weather and bring sturdy shoes. Meet the WSP interpretive specialist at the registration table for a 10:30 or 11:00 hike. 

First Day Hikes is a national initiative led by America’s State Parks, encouraging people to get outdoors on New Year’s Day. Last year, nearly 55,000 people hiked over 133,000 miles during these free events throughout the nation. New Year’s Day also marks the first state-managed land free day of 2023. Visitors will not need a Discover Pass to park at Lake Sammamish State Park.

When and Where

Date & Time: January 1, 2025, 10:30AM-11:30AM
Where: Lake Sammamish State Park

Additional Details

Discover Pass is required for parking.
Registration required.