More ideas from Nick
The Rill Garden, Coleton Fishacre by Derek Harper, via Geograph

This triangular walled garden close to the house is one of the highlights of these beautiful National Trust gardens.

Try using a rill like this as a focal point in your garden! More dream water gardens:

A channel of water, called a rill, bisects this formal garden, which is filled with old-fashioned roses. The water stair-steps down the change in elevation and recirculates from a catch basin