Lake Simcoe

Lake facts

• Surface area

  725.0 km²

  Public record · Ontario MNR Aquatic Resource Area (ARA) Water Poly Segment, Land Information Ontario open data (data used by Fish ON-Line) · checked November 5 2026

• Deepest point

  41.5 m

  Public record · Ontario MNR Aquatic Resource Area (ARA) Water Poly Segment, Land Information Ontario open data (data used by Fish ON-Line) · checked November 5 2026

• Boating rules

  Schedule 2: no power-driven or electric vessels in marked swim areas of Kempenfelt Bay at Centennial Beach, Johnson's Beach, Minet's Point Beach, Tyndale Beach, the Gables, Dock Road and Hewitt's and Wilkins beaches, and within 30 m of the Tiffin Street dive buoy (Barrie). Schedule 5: 10 km/h at Atherley Narrows near the Orchard Point wharf, at the Lagoon City breakwater and canals (Ramara) and near the Tiffin Street boat launch (Barrie). On waters flowing in: 10 km/h on the Talbot River from Canal Lake to Lake Simcoe and on Murphy Creek; 9 km/h on Pefferlaw Brook, the Black River to Sutton Dam, the Maskinonge (Jersey) River and the canals south of Cook Bay (Georgina). Elsewhere on the lake the general rule applies: 10 km/h within 30 m of shore (Vessel Operation Restriction Regulations, s. 2(7)).

  Public record · Transport Canada, Schedules of the Vessel Operation Restriction Regulations (TP 15587), 2nd edition April 2026 · checked November 5 2026

• Fish in the lake

  Walleye, Northern Pike, Muskellunge, Smallmouth Bass, Largemouth Bass, Lake Trout, Brook Trout, Rainbow Trout, Brown Trout, Lake Whitefish, Cisco, Yellow Perch, Black Crappie, Bluegill, Pumpkinseed, Rock Bass, Burbot, Channel Catfish, Brown Bullhead, Common Carp. These game and pan fish are recorded in MNR lake data; not all are common today.

  Public record · Ontario MNR Aquatic Resource Area (ARA) Water Poly Segment, Land Information Ontario open data (data used by Fish ON-Line) · checked November 5 2026

• Fishing zone

  Zone 16

  Public record · Fisheries Management Zone 16, Ontario Fishing Regulations Summary, ontario.ca · checked November 5 2026

• Water clarity

  Lake Partner Program volunteer data: 2024 average water clarity (Secchi depth) 3.3 m from 3 readings; 2024 average total phosphorus 9.2 micrograms per litre from 2 samples. Volunteer data from one site area in Oro-Medonte only; the Lake Simcoe Region Conservation Authority runs wider monitoring.

  Public record · Ontario Lake Partner Program open data, Secchi depth and total phosphorus files (2025 release), data.ontario.ca/dataset/ontario-lake-partner · checked November 5 2026

• Boat launches

  Provincial data lists 93 boat launch or access points on or beside the lake (8 marked municipal, provincial or federal; others private or not stated). Named public sites include Sibbald Point Park and Collins Drive (City of Orillia). Many points are road-end or emergency access points. Check ownership, fees and parking locally.

  Public record · Ontario MNR Fishing Access Point layer, Land Information Ontario open data (points within 400 m of the lake outline) · checked November 5 2026

• Parks on the lake

  Sibbald Point Provincial Park (ontarioparks.ca/park/sibbaldpoint), McRae Point Provincial Park (ontarioparks.ca/park/mcraepoint), Mara Provincial Park (ontarioparks.ca/park/mara). Also in provincial park boundary data: Duclos Point Provincial Park (nature reserve, marked non-operating).

  Public record · Ontario Parks: Sibbald Point, McRae Point and Mara park pages; Ontario Provincial Park Regulated layer · checked November 5 2026

General information only. Lake rules and conditions change: check the official source before you swim, boat or fish.