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Sudden Valley R.V. Park Boat Ramp

Sudden Valley R. V. Park Boat Ramp provides public boat launch access to Lake Whatcom with two launch sites—one near Marina bathroom facilities and one by the wet moorage dock.

A Use Fee card is required to access the gates, and a valid 2025 Aquatic Invasive Species (AIS) permit is mandatory for all boats launching at Lake Whatcom. The Marina operates daily from 6:00 a. m. to 9:00 p. m.

, with seasonal AIS inspection stations available weekends only through October 10.


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