The Water.
The river, the Water as the Hobbits called it came from the North Moors benieth Emyn Uial in Eriador. It had its wells very close to Long Cleeve in the North Farthing in the Shire and ran about 50 Miles South-East into West Farthing and the Rushock Bog. From here it turned East ran another 50 Miles while passing The Hill and Hobbiton, made the Bywater Pool, divided into two streams with and unnamed island in the middle and came to Budgeford in the East Farthing. from the Ford there was 15 Miles to its outflow in Baranduin 2 Miles North of the Bridge of Stonebows. At the Bywater Pool the Water had a unnamed tributary comming from the North in North Farthing.