Grass Lake Nature Park


  • 814 Kaiser Road NW, Olympia, WA 98502
The park contains the headwaters of Green Cove Creek and one of the most environmentally intact wetland systems in northern Thurston County. Over 100 bird species and 200 plant species have been recorded in the park. Grass Lake Nature Park's primary functions are wildlife protection, wildlife viewing, and environmental education. Pets are not permitted.