Turner made many dozens of sketches
of the dramatic and sometimes hostile Alpine scenery during his 1802 tour of Switzerland. This view of a deep gorge, one side drenched in sunlight and the other plunged into darkness, was made on grey tinted .
The initial work, visible underneath the layers of paint, is vigorous, almost violent. Vivid layers of have been used to convey the density and wildness of the mountainous . Turner
has created highlights by physically scratching through the pigment to
the white paper below.
Gallery label, September 2004