Aire Gap

Aire Gap
Floor elevation179 metres (587 ft)
Lengthapprox 40 kilometres (25 mi) 128 degrees
Widthapprox 20 kilometres (12 mi)
Depthaverage 300 metres (980 ft)
Geology
TypeGlacial U-shaped
AgeCarboniferous through Pleistocene
Geography
LocationCraven District, North Yorkshire, England
Population centers(Settle), Hellifield, Gargrave, (Colne), Skipton, Sutton-in-Craven, Keighley
Borders onCraven Fault and north edge of South Pennines
Coordinates54°0′0″N 2°10′0″W / 54.00000°N 2.16667°W / 54.00000; -2.16667
Traversed byA65 road, "Little" North Western Railway, Leeds and Liverpool Canal

Aire Gap is a pass through the Pennines in England formed by geologic faults and carved out by glaciers. The term is used to describe a geological division, a travel route, or a location that is an entry into the Aire river valley.