(This measure has not been amended since it was reported to the House on October 8, 2009. The summary of that version is repeated here.)
Cascadia Marine Trail Study Act - Amends the National Trails System Act to require the study of the Cascadia Marine Trail in the state of Washington for designation as a national scenic trail. Permits the evaluation of sites of recreational, scenic, or historic significance near the Trail for potential inclusion in the Trail. Provides also for consideration of what activities may be limited by the designation, including existing activities, hunting, boating, or proposed infrastructure improvements.