Ausable Bayfield Conservation Authority

Ausable Bayfield Conservation Authority (ABCA) is a local conservation agency named in the Ontario Conservation Authorities Act. Located in Southern Ontario, the agency focuses on the conservation of the drainage basins of the Ausable River, Bayfield River, Parkhill Creek, and Gullies (Bayfield North and South Gullies) watersheds. The headquarters is located in Exeter, Ontario.

The ABCA manages conservation and wildlife areas that were purchased for the preservation and protection of source areas and flood plain areas. Some environmentally significant areas are not publicly accessible.

Hay Swamp Management Area is administered by the agency.