Black Rock Retreat is located in Lancaster County, Pennsylvania approximately one and a half hours west of Philadelphia and one and a half hours north of Baltimore, MD. It is a non-profit Christian facility primarily providing retreat facilities for use by Christian churches and organizations. Volunteers are needed for construction projects, playground and picnic table upkeep and routine camp duties such as leaf-raking, mowing, painting, etc. Lodging: motel-like rooms, cottages, or cabins, all with private showers. Meals are provided.