Oregon has a wide variety of parks including:
Palisades State Park. Willamette Mission State Park. Ainsworth State Park. La Pine State Park. Catherine Creek State Park. Humbug Mountain State Park....
Sorry, Oregon is lame when it comes to amusement parks, we have none. In Salem (about 50 miles south of Portland) there is a weak "amusement park" with two waterslides and a couple rides for little...