Lake Simcoe is Ontario's largest lake after the Great Lakes and one of Canada's most fished inland waters — famous for world-class ice fishing and year-round action.
Lake Simcoe is a premier fishing destination in Ontario. Here's what you need to know: what to catch, when to go, and how to maximize your time on the water.
Year-round. Ice fishing (Jan–Mar) is the peak: Simcoe is Canada's ice-fishing capital. Open-water season runs April–November.
Ice fishing for jumbo perch (Cook's Bay, Keswick) is legendary. Lake trout and whitefish through the ice use live bait and spoons. Summer: smallmouth bass on structure, pike in the weedbeds. The lake has special license-free zones during Family Fishing Week.
Jumbo perch through the ice draw anglers from across North America. It's the closest world-class fishery to Toronto.
Lake Simcoe falls under Ontario fishing regulations. Limits, seasons, and special rules may vary by zone — some waters have reduced limits, slot limits, or catch-and-release-only designations. Always confirm the exact rules for the zone you're fishing before you keep a fish.
👉 See the full Ontario fishing regulations guide — or carry every zone's rules offline in the TrueNorthAngler app.
Yes — anyone 18–64 needs a Ontario recreational fishing licence. See our full guide: Canadian fishing licences explained. The TrueNorthAngler app stores your licence digitally so you'll never be caught without it.
Regulations, forecasts, and maps for Lake Simcoe — offline and in your pocket. Free for the 2026 season.