Hillside National Wildlife Refuge was founded in 1975 and is in Mississippi and it contains 15,572 acres.
1975 Holmes County, Mississippi, United States 15,572 acres (63.02 km) 
Bounded on the east side by the unique loess bluffs of eastern Mississippi, this 15,572-acre (63.02 km) refuge was named to reflect its location at the base of the bluffs. The refuge was established in 1975 and provides important stop-over and nesting habitat for over 225 species of neotropical migratory birds. 
