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79-acre lake in Algoma District, Ontario. The lake tops out around 49 ft. The depth data here comes from the Ontario MNRF survey of 1979, a decades-old survey (a transect sounding survey). The exact depth survey is published on its own because no defensible water-specific species roster was found.
On the chart, Rainbow Lake draws 80 acres inside 2.7 miles of shoreline, broken up by 6 islands. That shoreline is heavily fingered (development index 2.2) — bays, points and pockets everywhere, which multiplies the fishable edge. Roughly 58% of the water is 15 ft or less, the band where the food chain lives. The basin spans about 0.9 mi end to end and 0.3 mi across at its widest. The water lies in Algoma District. The nearest mapped water is Sand Lake, 1 mi to the north.
Rainbow Lake carries 6 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 47 ft down.
Season dates, license requirements, and size and bag limits for Ontario waters are set by the Ontario fishing regulations (FMZ summary) — and special regulations can apply to Rainbow Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Rainbow Lake is about 49 ft (15 m) deep at its deepest point. The depth data here comes from the Ontario MNRF survey of 1979, a decades-old survey (a transect sounding survey).
No official water-specific fish survey, inspected stocking record, reported-catch roster, or species-bearing fisheries classification was found for Rainbow Lake. Its depth chart is still a real survey; species and fishing spots are intentionally left unclaimed.
Fishing on Rainbow Lake is regulated by the Ontario fishing regulations (FMZ summary). Check the official Ontario regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Sand Lake 1 mi · Agawa Station Lake 4 mi · Solitaire Lake 5 mi · Maquon Lake 6 mi · White Spruce Lake 6 mi · Viridian Lake 7 mi · Wabigoon Lake 7 mi · Almonte Lake 8 mi · Mijinemungshing Lake 8 mi · Dossier Lake 9 mi · Little Dossier Lake 9 mi · Anjigami Lake 10 mi
More water nearby: Algoma District fishing maps (1026 charts). Browse all Ontario fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.