Dempseys Lake Fishing in Renfrew County, Ontario

• Overview

  Look for Dempseys Lake in the Renfrew County part of Ontario. The water sits 174 metres up. It runs to roughly 59 hectares — big enough to hold fish away from the bank, small enough to learn. A shoreline of some 4.3 km keeps the choices simple. It ranks high for size among our Renfrew County listings. Renfrew is the closest town at 22 km. After that come Arnprior at 30 km and Mississippi Mills at 36 km. It sits well inside the county, so one set of rules covers it.

• Where to Fish on Dempseys Lake

  Depth is unknown to us, and the shoreline is the better guide. This is a lake, so the margins and the first drop matter most. A natural lake fishes on cover, and cover here means weed and timber. Open biodiversity records for Renfrew County list smallmouth bass, pumpkinseed and yellow perch. These are county-wide records, so not all of them will be in this water. Dempseys Lake responds to conditions more than to tactics.

• Seasonal Patterns

  The warm month here averages 19°C; the cold one sits at -12°C. A solid cap is the normal state through winter. Winter locks it down, and mid April brings it back. Ice usually gives way near mid April, and forms again about early December. Early summer and early autumn carry the open-water season. Anyone fishing Dempseys Lake regularly works to that calendar.

• Tackle & Baits

  Access status is simply unknown for this water. Records list it as a natural water body rather than an impoundment. No built facilities appear in mapping around this water. Bass water: a Texas-rigged worm near cover, a spinnerbait when you need to cover ground. Read any posted signs at the access point rather than assuming. Where parking is tight, arriving early solves most problems. Should this one be busy, Stones Lake is 3 km off. Treat Dempseys Lake as unsettled until someone local tells you otherwise.