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904-acre lake in Sudbury District, Ontario. The lake tops out around 53 ft. The depth data here comes from a transect sounding survey by the Ontario MNRF. The exact depth survey is published on its own because no defensible water-specific species roster was found.
On the chart, Whalsom Lake draws 908 acres inside 16.3 miles of shoreline, broken up by 12 islands. With a shoreline index of 3.9, this water is all arms and coves — edge habitat well beyond its acreage. 67% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. The basin spans about 3.5 mi end to end and 1.3 mi across at its widest. You'll find it in Sudbury District. For a second option, Giroux Bay lies 4 mi northeast.
Count 7 structure marks on this chart. The deepest, Deep basin, sits near 52 ft.
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 Whalsom Lake specifically, so confirm the current rules before you fish.
Check the official Ontario fishing regulations →
Whalsom Lake is about 53 ft (16 m) deep at its deepest point. The depth data here comes from a transect sounding survey by the Ontario MNRF.
No official water-specific fish survey, inspected stocking record, reported-catch roster, or species-bearing fisheries classification was found for Whalsom Lake. Its depth chart is still a real survey; species and fishing spots are intentionally left unclaimed.
Fishing on Whalsom 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.
Giroux Bay 4 mi · Pebonishewi Lake 5 mi · Makami Lake 5 mi · Somme Lake 6 mi · Wine Lake 6 mi · Neville Lake 6 mi · Ketchini Lake 7 mi · Northpoint Lake 7 mi · Mallet Lake 8 mi · Mesomikenda Lake 8 mi · Wolf Lake 8 mi · Rice Lake 9 mi
More water nearby: Sudbury District fishing maps (868 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.