The Royal River Conservation Trust (abbreviated RRCT) is a volunteer-run conservation group based in Yarmouth, Maine, United States. Established in 1988 and funded by its members, it owns many preserves and trail networks, and has assisted in the creation of town-owned parks and preserves, state parks and state wildlife-management areas. The trust covers seven towns and cities in Androscoggin County and Cumberland County which form the watershed of the Royal River: Yarmouth, North Yarmouth, Pownal, New Gloucester, Gray, Durham and Auburn.