Wapato Lake by Gaston:
http://www.oregonmetro.gov/index.cfm/go/by.web/id=24627

Chehalem Ridgetop:
http://www.oregonmetro.gov/index.cfm/go/by.web/id=26791

Others: http://www.oregonmetro.gov/index.cfm/go/by.web/id=18198

Columbia Gorge Rail Trail:
On the Washington side east of Hood River
http://www.klickitat-trail.org