Great Valley Residential Center on Mutton Hollow Road (Route 38) is a former camp-style youth facility located in the Town of Great Valley, south of the Village of Ellicottville. It is situated on 41.12± acres, north of the City of Salamanca and west of the City of Olean.
The site opens to a clearing with a softball field, a large picnic pavilion area and a volleyball court. There is a large gymnasium. On the opposite side of the complex, there is a wastewater treatment facility, which has been de-activated and partially dismantled. There is an emergency generator with concrete pad. The property has a 32-ft water tower located behind a dormitory building. There is also a drilled well. Other features and amenities include a newer hot water boiler heating system, a commercial kitchen, a multi-purpose building, and two storage garages.