They say it's the largest protected wetland within an American city. I'm not sure how much of a claim to fame that is, but you certainly don't feel like you're in Portland anymore.
Dawn 'til dusk every day. I expect.
If you find any factual innaccuracies in this post, please email me via richard at thingstodoinportland dot org so I can fix it for everyone. Thanks in advance!
5300 N Marine Drive, Portland, Oregon 97203 [Google map].
This thing to do was suggested by
Bob Hollister – thank you!