6 miles of paved pathway stretching from the Port of Astoria to Tongue Point. Sights: Ships, bird watching, and the Columbia River. 

6th Street Viewing Platform 
Located on 6th Street on the Riverwalk 

This park has a large wooden viewing platform located directly on the waterfront, over the water. The platform is two stories high with stairs leading up to a viewing deck with panoramic views and access to sea lion viewing.