Show on map During the summer water often flowed into a natural swallow hole on the bend of the river.
To prevent this a 75m bypass tunnel was built around 1760, but this is now blocked and dry.
The natural limestone can be seen in the base of the tunnel and water heard running below.
Show on map I went in search of something natural and found something very much man-made.
Manns Cave appears to be another garden feature, a recess in the face of a small quarry which has had a roof added. At some point it looks like their were also wooden beams.
Show on map The Devils Chimney is a garden feature dating from about 1740, it overlooks the seven bridges walk.
It is said to be a representation of the Mausoleum of the Horatii and Curiatii near Rome.
Show on map The fishing tabernacles were probably one of the earliest parts of the garden, with the cascade into the lake being started around 1716
The pavilions are said to have been used as a base for fishing trips.
Show on map Marmion Tower is the 15th-century gatehouse of a vanished riverside manor house. Entry is free.
It features a fine spiral staircase
An elaborate oriel window
A vaulted porters lodge with large fireplace
