Rainy River District lake depth maps

Explore 80 lakes and rivers as 3D depth maps, built from Ontario MNRF bathymetric surveys — surveyed depth draped over real elevation and aerial imagery.

Featured depth maps

Deepest mapped contourEsox Lake97.5 m (320 ft) deep · 3,154 acresExplore the 3D map →Second largestOtukamamoan Lake48.8 m (160 ft) deep · 13,971 acresExplore the 3D map →Third largestMarmion Lake30.5 m (100 ft) deep · 12,030 acresExplore the 3D map →

Where the lakes are

Dot size and shade follow max depth: under 15 ft 100 ft and deeper

Group of nearby lakesRiver reach

All 80 mapped waters in Rainy River District; deepest is Esox Lake at 320 ft. Tap a numbered circle to zoom in, then a dot to open a lake.