What English county does the River Gwash flow through and the village of Litter Casterton reside in?
Little Casterton Little Casterton is a small village and civil parish in Rutland, England. The population of the civil parish at the 2001 census was 148, increasing to 218 at the 2011 census. It is about two miles (3 km) north of Stamford on a minor road that runs to the south of the River Gwash between Great Casterton and Ryhall.
Glyn Tarell Glyn Tarell is a valley and a community in the county of Powys, Wales. It is in the Brecon Beacons National Park and at the northern edge of the Brecon Beacons mountains. The valley is on the A470 road which runs along the eponymous valley of the River Tarell. In 2011 the population of Glyn Tarell was 633, with 14.7% of them able to speak Welsh.