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A stile is a structure which provides people a passage through or over a fence or boundary via steps, ladders, or narrow gaps. Stiles are often built in rural areas along footpaths, fences, walls or hedges to prevent farm animals moving from one enclosure to another whilst allowing path users still to use the route.
Recent changes in UK government policy towards farming has encouraged upland landowners to make access more available to the public, and this has seen an increase in the number of stiles and an improvement in their overall condition. However, on popular paths, stiles are increasingly replaced by gates or kissing gates or, where the field is arable, the stile removed.
Stiles also sometimes have a 'dog latch' or 'dog gate' to the side of them, which can be lifted to enable a dog to get through (see pictures below).
An alternative form of stile is a squeeze stile, which is commonly used where footpaths cross dry stone walls in England. With this type of stile there is a vertical gap in the wall, usually no more than 25 centimetres (9.8 in) wide, and often with stone pillars on either side to protect the structure of the wall. The gap must be narrow enough to prevent livestock getting through.