Royal Tunbridge Wells (often shortened to Tunbridge Wells) is a large town in western Kent, England, about 40 miles (64 km) south-east of central London by road, 34.5 miles (55.5 km) by rail. The town is close to the border of the county of East Sussex. It is situated at the northern edge of the High Weald, the sandstone geology of which is exemplified by the rock formations at the Wellington Rocks and High Rocks.