The tors are the focus of an annual event known as the Ten Tors Challenge, when around 2400 people aged between 14 and 19 walk for distances of 56, 72 or 88 km (35, 45 or 55 mi) between ten tors on many differing routes.
Granit (ali natančneje monzonit), je prodrl iz globin kot "plutonska skala" v okoliške sedimentne kamnine, ki sodijo v obdobje karbona, verjetno pred okoli 309 milijonov let.