 Other lithic blades were found at Lindale Low Cave at the mouth of the River Kent, in caves at Blenkett Wood, Allithwaite, and at Bart's Shelter, Furness (including reindeer and elk bones).During the following Younger Dryas stadial (colder period), c. 10890–9650 BCE, Federmesser sites were abandoned, and Cumbria (along with the rest of Britain) was not permanently occupied until the end of the Younger Dryas period, 11,600 years ago (that is, during the Mesolithic era).The Mesolithic era in Cumbria saw a warming of the climate.