Wall spring

a spring of water issuing from stratified rocks.

See also: Wall

References in periodicals archive ?
THE North East has some stunning sights (Durham Cathedral, The Angel of the North, Hadrian's Wall spring to mind) - but for stunning and unexpected, the Bowes Museum must take the biscuit.
There are loads of new techniques to master, such as boosting off wall springs and swinging on chains.
The event will be held at Wall Springs Park in Palm Harbor and begins at 6:00pm on August 13th.