Deepest lakes & reservoirs in Wales, United Kingdom by maximum depth (ft)

The estimated greatest depth of the water in a lake can be 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.

You can find many of the the world’s deepest lakes on LakeLubbers. If you sort the list, you will find the (maximum depth of) the shallowest lakes in our database. Note: For some lakes, lake depth data is unknown, so this table may display fewer lakes than the total 8 articles we have published for Wales, United Kingdom lakes.

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Search results: Sort lakes by max depth (feet)


Below are lakes within United Kingdom > Wales, United Kingdom > Compared by maximum depth in feet. This list does not represent all lakes in Wales, United Kingdom, only the 8 Wales, United Kingdom lake articles we have published on the LakeLubbers website.