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Algonquin Park Ice Conditions


Lake Opeongo in Algonquin Park

Image: Lake Opeongo became ice free on May 1, 2016.

Live Views of Algonquin ParkLake Opeongo, Algonquin Park's largest lake and one of the last to shed its ice cover, became ice free on May 1, 2016. The average ice out date for Lake Opeongo since 1964 is April 23. This year's ice out was approximately a week later than average, but did not challenge the record late date of May 15 (1972).

Lake Opeongo Ice Out History

Technically, the official ice out date for Lake Opeongo is recorded when at boat can safely navigate from the Lake Opeongo Access Point to the Happy Isle Portage in the North Arm. Ice out for Algonquin Park's largest lake, Lake Opeongo, has ranged from as early as March 29 (2012) to as late as May 15 (1972). The current average ice out date is April 23, shown by the dotted trend line below. The official ice out date for Lake Opeongo in 2015 was May 1. The ice out date for Lake Opeongo in 2016 was also May 1.

Lake Opeongo Ice Out Dates (Data) from 1964 to present

Images of Ice Flight 2016

Images from an airplane flight over Algonquin Park on May 3, 2016 to assess conditions found that backcountry lakes in Algonquin Park are free of ice with the exception of limited ice in some bays and shoreline areas.

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Related Information


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Special regulations for Algonquin's special fishery.