Ridgemont High School is an Ottawa-Carleton District School Board secondary school in Ottawa, Ontario, Canada. The school is located at 2597 Alta Vista Drive in the Alta Vista neighbourhood of Ottawa. It is next door to St. Patrick's High School, a Roman Catholic high school, and Charles Hulse Elementary School, also in the OCDSB.

Alta Vista is a neighbourhood in Alta Vista Ward in Ottawa, Ontario, Canada. Its boundaries according to the Alta Vista Community Association are that part of Alta Vista Ward south of Smyth Road in the north, north of Walkley Road and east of the Rideau River, and west of the "greenspace underneath Haig Drive". However, the name is ambiguous, as there are several sub-neighbourhoods in this area,, as the neighbourhood could refer to the ward as a whole, down to the core Alta Vista area,, centred on Alta Vista Drive.