Round Lake, Ontario, Canada

Lake Locations:

Canada - Ontario -

Round Lake is a spectacular 7,596-acre lake located in Renfrew County, Ontario, Canada. Renfrew County is part of the Ottawa Valley which was carved by glaciers some 600 million years ago. Today, Renfrew County sits in the midst of stunning wilderness and gorgeous landscapes. Two provincial parks on Round Lake plus mile after mile of natural splendor make this rural lake a great place to get away from it all.

Round Lake is the first major lake in the journey of the scenic Bonnechere River which begins at Basin Lake in Algonquin Park. In the mid 1920s, a hydroelectric dam was constructed on the outlet of Round Lake which resulted in raising the water level of the lake. From the outlet of Round Lake, the Bonnechere River passes through Golden Lake, Eganville, Douglas and Renfrew before spilling in to the Ottawa River near Castleford. The river drops 735 feet in its course, creating many white water rapids and rafting opportunities.

Due to its size, Round Lake is a popular four season recreational lake. Bonnechere Provincial Park on the western shore and Foy Provincial Park on the northern shore give visitors easy access to the crystal clear water. Both parks offer hiking trails, picnic areas, and public boat launches and beaches. Foy Park is located in one of the least developed sections of the lake. Camping facilities, boat rentals, and playgrounds can be found at Bonnechere Provincial Park. Fishing in Round Lake is excellent. Pike, walleye, smallmouth bass, largemouth bass, and lake trout all make their home in the deep, blue water. Bonnechere River Provincial Park, a nearly 3,000-acre waterway includes the shorelines of the Little Bonnechere River in the Algonquin Provincial Park to the entry of Round Lake. The waterway links a number of natural areas which create a wonderful area to explore by foot, car or boat. The Bonnechere River offers great flat water and white water paddling. For the advanced rafter, the Ottawa River offers much more powerful white water. Many rafting companies run exciting trips down both rivers.

Accommodations on Round Lake and in the Ottawa Valley are plentiful. Resorts, rustic cabins, cozy cottages, and luxurious lakefront homes are available for rent. Real estate for purchase around the lake and in the surrounding small towns is a great way to own a piece of the beautiful country. Recreation in the Ottawa Valley includes paddling, cycling, hiking, white water rafting and more. When the snow falls, cross country skiing, snowshoeing, ice fishing and snowmobiling become the popular pastimes.

Towns surrounding Round Lake are home to many shops and art galleries featuring souvenirs and hand made crafts designed by local artisans. Killaloe, Round Lake Center, Pembroke and Wilno are all within a short drive of the lake. South of Round Lake, the town of Quadeville is a great place to hunt for gem stones and is the former home of Al Capone. On the way to Quadeville, the town of Foymount is Ontario’s highest populated point at 1,640 ft above sea level. The Foymount area is a popular destination for backpackers and hikers. An abandoned Royal Canadian Air Force radar base can be found at the top of the hill and is a popular destination for ghost town enthusiasts.

For additional outdoor adventure, the Algonquin Provincial Park is just north of Round Lake and covers approximately 2,950 square miles. Over 2,400 lakes and 750 miles of streams and rivers are located within the park. Hikers have a good chance of seeing a moose in the dense woods, and there are also a small number of wolves, lynx and bears in the park. Biking trails, campgrounds, lakes, rivers and streams all make for an excellent day or weekend of fun. A visitor center and logging museum showcase the logging history of the region.

With 900 pristine lakes and four major river systems, Round Lake and the Ottawa Valley region are a fantastic retreat for the outdoor enthusiast. Anglers can cast in their line, while whitewater enthusiasts enjoy roaring rivers. The immense size of Round Lake alone is enough to encourage visitors to explore the area and find the perfect spot to unwind.

Things to do at Round Lake ON

  • Vacation Rentals
  • Fishing
  • Ice Fishing
  • Boating
  • Swimming
  • Beach
  • Canoeing
  • Kayaking
  • Whitewater Rafting
  • Camping
  • Campground
  • Picnicking
  • Cabin Rentals
  • Hiking
  • Biking
  • Cross-Country Skiing
  • Snowmobiling
  • Hunting
  • Wildlife Viewing
  • Provincial Park
  • Museum
  • Playground

Fish species found at Round Lake ON

  • Bass
  • Black Bass
  • Lake Trout
  • Largemouth Bass
  • Perch
  • Pike
  • Smallmouth Bass
  • Trout
  • Walleye

Round Lake ON Photo Gallery

Round Lake ON Statistics & Helpful Links

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Lake Type: Natural Freshwater Lake, Dammed

Water Level Control: Renfrew Hydro Inc.

Surface Area: 7,596 acres

Shoreline Length: 19 miles

Normal Elevation (Full Pond): 996 feet

Average Depth: 43 feet

Maximum Depth: 180 feet

Completion Year: 1925

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Trophic State | LakeLubbers

Trophic State measures the level of algae and nutrients in a lake.

An oligotrophic lake is very clear (blue in color) and does not support much plant or fish life. A hyper-oligotrophic lake is the clearest of all lakes, and is nearly devoid of plants and fish.

A mesotrophic lake is slightly green and supports a moderate degree of plant and fish life. A lake's most desired trophic state is generally this mid-point - the mesotrophic state.

A eutrophic lake is somewhat murky and supports a large amount of plant and fish life. A hypereutrophic lake is clouded with algae, plant life, and fish life. A eutrophic or hyper-eutrophic lake can be difficult to navigate by boat - and is often an unpleasant place to swim.

The use of phosphorus-rich and nitrogen-rich fertilizer on lawns and golf courses surrounding a lake can cause it to become eutrophic or hypereutrophic.


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Catchment or Drainage Area | LakeLubbers

This is the surrounding area that drains into a lake, including land, rivers and their tributaries. This is also known as the lake's "catchment basin".

Small lakes at the highest peaks of mountains have small drainage areas. The world's oceans have the largest drainage areas.


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Lake-Area Population | LakeLubbers

This is the estimated number of people who live in a house with a view of a lake, plus those who self-describe the lake as their home, for example: "I live at Smith Mountain Lake."


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Water Residence Time | LakeLubbers

This is the estimated time that it takes for an amount of water equal to the entire volume of a lake to flow out of - or evaporate from - the lake.

Residence Time can be as short as a few days for fast-flowing small lakes, and can exceed 100 years for slow-flowing large lakes.


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Completion Year | LakeLubbers

This is the year that a reservoir was first filled to the reservoir's normal elevation - or the year that a natural lake was first dammed. A large reservoir can take more than a year to fill after its dam is first closed.

The Grand Anicut in southern India is generally considered the world's oldest dam that still operates. Grand Anicut was constructed in the second century BC. It now impounds an irrigation network that includes roughly one million acres.

You can find many of the the world's newest reservoirs on LakeLubbers. Many of the world's oldest reservoirs appear on the last page of that list.


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Water Volume | LakeLubbers

This is the estimated volume of water that a lake contains -- measured at the lake's normal elevation. By this measure, the world's largest freshwater lake is Siberia's Lake Baikal.

You can find many of the the world's largest lakes (by water volume) on LakeLubbers.

Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet.

1 acre-foot is equal to 325,851 US gallons. Siberia's Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater - nearly 1 million gallons for every living person on earth.

The other - and more widely used - measure of a lake's size is the lake's surface acreage. By that measure, the world's largest freshwater lake is North America's Lake Superior.


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Maximum Depth | LakeLubbers

This is the estimated greatest depth of the water in a lake -- measured at the lake's normal elevation. The world's deepest lake is Siberia's Lake Baikal; that lake's maximum depth is estimated at 5,314 feet.

You can find many of the the world's deepest lakes on LakeLubbers. If you select the last page of that list, you will find the (maximum depth of) the shallowest lakes in our database.


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Average Depth | LakeLubbers

This is the estimated average depth of the water in a lake -- measured at the lake's normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake's average depth can be calculated:

Water volume ÷ Surface Area = Average Depth

Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth


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Maximum Elevation | LakeLubbers

This is a lake's highest water level, measured by the lake's surface distance above sea level, that can occur during flooding. A lake's highest possible maximum elevation is usually the top of the lake's dam or spillway.

At lakes that include residential development, government regulations usually forbid the construction of homes below a lake's maximum elevation.


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Minimum Elevation | LakeLubbers

This is a lake's lowest water level, measured by the lake's surface distance above sea level, that can be reasonably expected to occur. Low lake levels can occur due to deliberate seasonal draw downs for irrigation or impending snow melt, reduced water inflows, drought and evaporation, residential or commercial water demands, and hydropower generation.

Some lakes' minimum and maximum elevations are virtually the same. Lakes that generate hydropower may vary by several feet - according to power demand. Lakes whose primary purpose is to prevent flooding can seasonally vary by 100 feet or more.

When some lakes reach their minimum elevation, their boat ramps may not be long enough to permit boat access - and boats docked on shallow parts of the lake may end up on dry ground. In those cases, kayakers and shore-based anglers may be among the few happy recreational users of the lake.


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Normal Elevation | LakeLubbers

This is a lake's normal water level, measured by the lake's surface distance above sea level. For a reservoir, this water level is also known as "full pond" or "full pool".

You can find many of the world's highest-elevated lakes on LakeLubbers. Lakes with the lowest elevations (known by LakeLubbers) are shown on the final page of that list.


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Shoreline Length | LakeLubbers

This is the length of the exterior shoreline around a lake - measured at the lake's normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal.

A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.

When known, the shoreline miles that we report in our statistics include only the lake's exterior shoreline, and exclude the shorelines of islands located within a lake's boundaries. In lakes with many islands, those islands' combined shorelines may exceed a lake's exterior shoreline.

You can find many of the world's longest-shoreline lakes on Lakelubbers.


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Surface Area | LakeLubbers

This is the area (acreage, square kilometers, etc.) of the top surface area of a lake - measured at a lake's normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America's Lake Superior is the world's largest freshwater lake by this measure.

The other measure of a lake's size is the lake's water volume. By that measure, the world's largest freshwater lake is Lake Baikal in Siberia.

You can find many of the world's largest lakes (acres) on Lakelubbers. There is no widely-accepted minimum surface area that defines a lake. What Lakelubbers describes as a lake, you might call a pond. The smallest lake that Lakelubbers currently includes is Hawaii's 2-acre Lake Waiau.


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Water Level Control | LakeLubbers

This is the organization that controls water releases or outflows from the lake or reservoir. In the USA, this is often the US Army Corps of Engineers, a power company, a municipal water system, an irrigation district, or a paper manufacturing company. In the case of private or gated lakes, a homeowners' association may be the lake's controlling authority.

Many lakes cross borders, including North America's Great Lakes. The control of such lakes and their coveted freshwater may be amicably shared - or hotly disputed.

"Water wars" continue at many lakes as growing populations and crop irrigation needs compete for the freshwater that lakes contain.


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Lake Type | LakeLubbers

There are 3 basic types of lakes that are currently included on LakeLubbers. 2 types may be dammed or not dammed, producing 5 classifications.

- A Reservoir is a man-made freshwater lake that is usually created by damming rivers.

- A Natural Freshwater Lake occurs naturally - often by glacial activity - and has a salinity of less than 30 parts per thousand. It may be dammed to produce electricity or for other reasons.

- A Natural Saltwater Lake occurs naturally and has a salinity of more than 30 parts per thousand (ppt). It may be dammed.

"Brackish" water may be categorized as freshwater or saltwater, depending on its salt content (salinity). Oligohaline water has less than 15 ppt of salt. Mesohaline water has 15-29 ppt. Polyhaline has 30-335 ppt.


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