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Map of Big Rideau Lake with depth contours

Big Rideau Lake

44.7513° N, 76.2138° W

Big Rideau Lake is a 74.3 km², up to 91.4 m deep lake 15 km southeast of Perth, Lanark, Ontario.

Area
74.3 km²
Maximum depth
91.4 msurveyed 1972
Shoreline
291 km
Elevation
122 m
Fish species
22

Depth

The government depth survey from 1972 records a maximum depth of 91.4 m, drawn from 556 depth contours.

Not for navigation. Depths are from government surveys and may be outdated.

Fish

Species recorded in 134 government fish surveys between 2001 and 2019.

  • Smallmouth Bassrecorded in 79 surveys, last in 2019
  • Largemouth Bassrecorded in 72 surveys, last in 2019
  • Northern Pikerecorded in 36 surveys, last in 2019
  • Yellow Perchrecorded in 25 surveys, last in 2018
  • Pumpkinseedrecorded in 22 surveys, last in 2019
  • Bluegillrecorded in 14 surveys, last in 2019
  • Rock Bassrecorded in 14 surveys, last in 2019
  • Ciscorecorded in 12 surveys, last in 2009
  • Lake Troutrecorded in 11 surveys, last in 2018
  • Black Crappierecorded in 8 surveys, last in 2018
  • Burbotrecorded in 2 surveys, last in 2009
  • Lake Whitefishrecorded in 2 surveys, last in 2009
  • Walleyerecorded in 1 survey
  • Brown Bullheadrecorded in 15 surveys, last in 2009
  • Alewiferecorded in 5 surveys, last in 2009
  • Emerald Shinerrecorded in 2 surveys, last in 2004
  • Golden Shinerrecorded in 2 surveys, last in 2009
  • Bridle Shinerrecorded in 1 survey, last in 2009
  • Gizzard Shadrecorded in 1 survey, last in 2009
  • Ninespine Sticklebackrecorded in 1 survey, last in 2009
  • Sand Shinerrecorded in 1 survey
  • White Suckerrecorded in 1 survey

Fishing regulations: Fisheries Management Zone 18

Water

Water clarity (Secchi depth) (m)
24.56.91996201120254.2 m
Total phosphorus (µg/L)
10243720022014202517 µg/L

Getting on the water