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Big Rideau Lake

Big Rideau Lake

Big Rideau Lake
Sunset on the Big Rideau.jpg
Sunset on the lake
Big Rideau Lake is located in Southern Ontario
Big Rideau Lake
Big Rideau Lake
Location in southern Ontario
LocationLanark County, United Counties of Leeds and Grenville, Ontario
Coordinates44°45′05″N 76°12′50″W / 44.75139°N 76.21389°W / 44.75139; -76.21389
Part ofSaint Lawrence River drainage basin
Primary inflowsBlack Creek, Rideau River
Primary outflowsRideau River
Catchment area407 square kilometres (157 sq mi)
Basin countriesCanada
Max. length32 kilometres (20 mi)
Max. width6 kilometres (3.7 mi)
Max. depth360 feet (110 m)
Surface elevation123.1 metres (403 ft 10 in)
SettlementsPortland, Rideau Ferry

Big Rideau Lake is a lake in the municipalities of Tay Valley and Drummond/North Elmsley, Lanark County and Rideau Lakes, United Counties of Leeds and Grenville in Eastern Ontario, Canada. The lake is on the border between the two counties, 72 kilometres (45 mi) to the southwest of Ottawa. It is 32 kilometres (20 mi) long and is 6 kilometres (3.7 mi) wide, is much narrower at its northeastern end than at its southwestern end, and is part of the Saint Lawrence River drainage basin. It is the largest lake on the Rideau Canal, which was designated a UNESCO world heritage site in 2007.


The primary inflow, at the southwest, is the Rideau River/Rideau Canal from Upper Rideau Lake via The Narrows channel and the Narrows lock and control structures. A second primary inflow is Black Creek at the west. The primary outflow, at the north, is also the Rideau River/Rideau Canal which leads via a channel to Lower Rideau Lake. The Rideau River and Canal flow to the Ottawa River and then to the Saint Lawrence River.


The small community of Rideau Ferry is located at the junction between the Big Rideau and Lower Rideau Lake, at the northeastern end of the lake. The community of Portland is located along the southern shore of the lake.


The shoreline of the Big Rideau Lake is lined with hundreds of cottages and houses. A public recreation area and campground, Murphys Point Provincial Park, is located along a substantial stretch of the shoreline on the northern side of the lake.

The Big Rideau Lake Association (BRLA) is a non-profit organization that was formed in 1911, and operates summer programs from Cow Island, one of the many islands in Big Rideau. Its purpose is "to preserve and enhance the quality of life on Big Rideau Lake." The BRLA places private shoal markers throughout the lake, marking hazards underwater at some times in the navigational season. A group of markers indicate the extent of a shoal: go around, not between.

Admiral Sir Charles Kingsmill, who played a role in founding the Royal Canadian Navy, loved sailing on the lake, and had a summer house on Grindstone Island. He died on Grindstone in July 1935.


The International Big Rideau Lake Speed Skating Marathon is an annual event.

Natural History

The common fish found in the Big Rideau Lake include Sunfish, Rock Bass, Northern Pike, Large and Small Mouth Bass, Crappie, Walleye and Lake Trout.


  • Rideau River
  • Black Creek
View on Wikipedia
Town of Rideau Ferry, Ontario Weigh-in at CC’s on the Rideau (formally shipwreck) Parking on Site/Park Usage Fee $7.00 (RVCA)

Upcoming Tournaments


Historical Results

Sep 15th, 2018
PlaceTeam #Angler1 / Angler 2Weight
113Mat Holland
Pat Campbell
231Scott Murison
Frank Adamo
310Bradley Sproule
Brad Montgomery
415Frank Liu
Ming Pei
536Paul Spinnelli
Andy Patterson
Big Fish15Frank Liu
Ming Pei
Jul 8th, 2018
PlaceTeam #Angler1 / Angler 2Weight
125Brent Coulas
Greg Gervais
235Mason Cassell
Scott Cassell
313Bill Budrick
Mike Robillard
444Clancy Mulvihill
Richard Martin
532Cole Menard
Alex MacFarlane
Big Fish13Bill Budrick
Mike Robillard
Jul 7th, 2018
PlaceTeam #Angler1 / Angler 2Weight
134Chuck Dobson
Clayton Dobson
225Russell France
Tyler France
339Jonathan Fidaoui
Aaron Powell
447Marc Andre Leger
Marc Bellefeville
535Laurent Chaput
Shawn Coombs
Big Fish33Darryl Connell
Ken Renolds

Nearby Places

Rideau Ferry General Store - 1040 Rideau Ferry Rd.


CC's on the Rideau - 1030 Rideau Ferry Rd, Rideau Ferry