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Sylvan Lake, New York: Wikis


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Sylvan Lake is a hamlet by the west Beekman town line. It is named after Sylvan Lake, which was formed during the ice age. The early Indians originally named it "poughquag" which means "round body of water". A smaller lake known as Hidden Lake is where Mr. Daniel Delany, in the late 1800s, discovered iron ore and made his fortune. He eventually bought the adjacent property which was the entire shoreline of Sylvan Lake and rebuilt St. Denis church for the town. Some iron ore mining also took place along the shores of Sylvan Lake in the early 1930s and some of these retainer wall pilings are still standing and can be clearly seen from a boat. When the mine was filled with water, construction equipment and mining tools were left on the bottom, and are present today.

Sylvan Lake (lake)
Location Beekman, Dutchess County, New York, USA
Coordinates 41°36′32″N 073°44′28″W / 41.60889°N 73.74111°W / 41.60889; -73.74111 (Sylvan Lake)
Basin countries United States

The lake is located adjacent to the Chelsea Cove housing complex and all its residents are permitted access to the lake. There is a small beach with a small area to wade in before it drops off into much deeper waters. The lake is 120 feet deep. Formerly a quarry used for mining, the slope is very steep and reaches maximum depth quickly as you get nearer to the center of the lake. The thermocline in the lake reaches about 40 degrees F. To scuba dive in the lake, advanced open water certification is needed. Equipment such as 7mml full body wetsuits including gloves and hood are necessary as are lights due to the murkiness of the water.


Coordinates: 41°36′27″N 73°44′04″W / 41.6075°N 73.73444°W / 41.6075; -73.73444



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