Mar-Lu-Ridge Summer Camp and Education and Conference Center
 Mar-Lu-Ridge Summer Camp and Education and Conference Center is an outdoor ministry site of the Evangelical Lutheran Church of America located in Jefferson Maryland. Mar-Lu-Ridge an abbreviation for either Martin Luther or Maryland Lutheran sits atop a mountain in the Catoctin Mountain range. The camp is a year round ministry location that was founded at a groundbreaking ceremony on December 31 1958. The first year of summer camp was 1959 and camp continues to the present.