The Greenbrier Unit of Duck Creek Conservation Area offers a concrete boat ramp for water access to this 474-acre lowland swamp preserve in southeastern Bollinger County.

Located 7 miles west of Advance on Route C, the area features Castor River frontage, oxbows, and sloughs suitable for paddling, with parking available near the ramp. The conservation area is open 4 a. m. to 10 p. m.

daily, though hunting, fishing, and boating are permitted 24 hours a day where authorized.