The Henry S. Conard Environmental Research Area (CERA) is a protected environmental research facility at (41°41′00″N92°51′52″W) outside Kellogg, Iowa. The 365-acre (148 ha) facility is owned and operated by Grinnell College for class use in the study of ecology and student and faculty research. The preserve is named for Henry S. Conard, a bryologist and ecologist who long served as the chair of the college's Department of Botany.