Columbia-Pacific National Heritage Area Study Act - Directs the Secretary of the Interior to conduct a study to determine the feasibility of designating the coastal areas of Clatsop County, Oregon, and Pacific County, Washington (also known as the North Beach Peninsula) and areas relating to Native American history, local history, Euro-American settlement culture, and related economic activities of the Columbia River within a corridor along such River eastward in Clatsop County and Pacific, Columbia, and Wahkiakum Counties, Washington, as the "Columbia-Pacific National Heritage Area."