The Burwell-van Lennep Foundation was created in 1967 to preserve a large tract of unique, historic land in Clarke County, Virginia. This foundation protects 944 acres of land in the Shenandoah Valley containing a valuable combination of ecosystems including hardwood forest, pasture, and a mile of the ShenandoahRiver with a 100 acre island. This property has been historically called the "Island Farms" (see history).The mission of the Foundation includes the preserving the diverse ecology of this land, protecting wildlife, and promoting environmental education.