Cobbs Lake Creek

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Cobbs Lake Creek
Country Canada
Province Ontario
Region Eastern Ontario
County Prescott and Russell
Municipalities The Nation, Alfred and Plantagenet, Clarence-Rockland
Part of Saint Lawrence River drainage basin
Source field
 - location Clarence-Rockland
 - elevation 84 m (276 ft)
 - coordinates 45°32′04″N 75°09′13″W / 45.53444°N 75.15361°W / 45.53444; -75.15361
Mouth South Nation River
 - location The Nation
 - elevation 46 m (151 ft)
 - coordinates 45°26′38″N 75°03′01″W / 45.44389°N 75.05028°W / 45.44389; -75.05028Coordinates: 45°26′38″N 75°03′01″W / 45.44389°N 75.05028°W / 45.44389; -75.05028
Location of the mouth of Cobbs Lake Creek in southern Ontario

Cobbs Lake Creek is a creek in Prescott and Russell County in eastern Ontario, Canada,[1] which empties into the South Nation River.

In the early 1900, the Cobb Lake Drainage Scheme reduced a large area covered by water to a tiny little creek. The goal of the project (which cost 60 000$ at the time) was to expend agricultural production and to allow farmers to sow at an earlier date the flooded part of their farms.[2]

Nowadays, Cobbs Lake is a large shallow lake which forms around the creek during the spring thaw. Fields are found around the lake, and these fields are flooded during the early spring expanding the lake even more. This causes problems for local residents since it also floods nearby side roads. Thousands of migrating Canada geese and many dabbling ducks, such as northern shovelers and pintails, stop over in this location during the spring. The heavy clay soils of the region were deposited by the Champlain Sea, a shallow arm of the Atlantic which extended into this region at the end of the last ice age.


The river begins at a field in geographic Clarence Township[3] in the city of Clarence-Rockland and heads southwest, then turns southeast and passes under a former Canadian Pacific Railway line, today the Prescott and Russell Recreational Trail.[4] It briefly passes through the southwest corner of geographic North Plantagenet Township[5] in the municipality of Alfred and Plantagenet, then enters geographic South Plantagenet township[6] in the municipality of The Nation and reaches its mouth at the South Nation River near the community of Pendleton. The South Nation River flows via the Ottawa River to the Saint Lawrence River.


  1. ^ "Cobbs Lake Creek". Geographical Names Data Base. Natural Resources Canada. Retrieved 2014-01-25.
  2. ^ Ferdinand Larose, The south Nation and its environment in: Conservation in Eastern Ontario, 1947. The Nation and its Environs
  3. ^ "Township of Clarence" (JPG). Canadian County Atlas Project. McGill University. 2001. Retrieved 2014-01-25.
  4. ^ "Prescott and Russell Recreational Trail". United Counties of Prescott and Russell. 2013. Retrieved 2014-01-25.
  5. ^ "Township of Plantagenet North" (JPG). Canadian County Atlas Project. McGill University. 2001. Retrieved 2014-01-25.
  6. ^ "Township of Plantagenet South" (JPG). Canadian County Atlas Project. McGill University. 2001. Retrieved 2014-01-25.

Other map sources:

See also[edit]