Olsen Lake is a Lake located in New Westminster Land District, British Columbia and has an elevation of 258 meters.

• Latitude: 50° 7' 30'' North   (decimal: 50.1250000)
• Longitude: 124° 31' 50'' West   (decimal: -124.5306000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: British Columbia
• Elevation: 258 meters
• Location: New Westminster Land District
• Atlas of Canada Locator Map: Olsen Lake
• GPS Coordinate Locator Map: Olsen Lake Lat/Long