Chesapeake Bay Gateways and Watertrails Act of 1997

Chesapeake Bay Gateways and Watertrails Act of 1997 - Directs the Secretary of the Interior to provide technical and financial assistance to: (1) identify, conserve, restore, and interpret natural, recreational, historical, and cultural resources within the Chesapeake Bay watershed; (2) identify and utilize such sources as Chesapeake Bay Gateways sites for enhancing public education of and access to the Bay; (3) link such Gateways sites with trails, roads, byways, and other connections; (4) develop and establish Chesapeake Bay Watertrails comprising water routes and connections to the Gateways sites and other land resources within the watershed; and (5) create a network of Gateways sites and Watertrails, including within such network State or Federal parks or refuges, historic seaports, and archaeological, cultural, historical, or recreational sites.

Directs the Secretary to establish a Chesapeake Bay Gateways Grants Assistance Program.

Authorizes appropriations.