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Upper Rideau Lake | |
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![]() Upper Rideau Lake seen from Westport Harbour | |
Location | Ontario |
Coordinates | 44°40′55″N 76°20′10″W / 44.682°N 76.336°W |
Primary inflows | Westport Sand Lake |
Primary outflows | Big Rideau Lake |
Catchment area | 61 km2 (24 sq mi) |
Basin countries | Canada |
Max. depth | 23 m (75 ft) |
Surface elevation | 124.65 m (409.0 ft) |
Settlements | Village of Westport, Village of Newboro |
Upper Rideau Lake is a freshwater lake located in the municipality of Rideau Lakes, United Counties of Leeds and Grenville in Eastern Ontario, Canada. Located in the Saint Lawrence River drainage basin, the lake has the highest altitude of any body of water within the Rideau Canal system.