near Glenora, Prince Edward County

Lake on the Mountain

Adolphustown, Ontario, Canada

Lake on the Mountain rises sixty-two metres above Bay of Quinte (Lake Ontario) and is just over one square kilometre in size. It has no visible water source and is thirty-seven metres deep. It is a lake of legends and for hundreds of years was a sacred place to the Mohawk people who called it Onokenoga (Lake of the Gods).

Location created by
Deb & Don Hudson
  • Lat: 44.0396171
  • Lng: -77.0570111
  • Waterbody Type: Unknown
  • Timezone: America/Toronto

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Observations Summary

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Observation Tests Summary

pH (0-14)
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8.0 Latest
8.3 Average
Water Temperature ℃
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18.5 Latest
14.7 Average
Air Temperature ℃
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21.0 Latest
16.0 Average
Dissolved Oxygen (mg/L)
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6.0 Latest
6.7 Average
Phosphates total (ppm)
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25.0 Latest
25.0 Average
Secchi Depth (m)
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0.0 Latest
0.2 Average
Conductivity (uS/cm)
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212 Latest
196 Average
Alkalinity (mg/L)
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145 Latest
122 Average
Hardness (mg/L)
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175 Latest
195 Average
Water Depth (m)
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0.3 Latest
0.5 Average

Ice On

Ice Off

  • 2018-04-22
  • 2018-03-15