Swill Brook (Thames)

Swill Brook Braydon Brook in the upper reaches
The Swill Brook
Data
location	Wiltshire , England
River system	Thames
Drain over	Thames  → North Sea
source	at Crudwell 51 ° 37 '28 "  N , 2 ° 1' 47"  W.
muzzle	At Ashton Keynes in the Thames Coordinates: 51 ° 38 '5 "  N , 1 ° 55' 49"  W 51 ° 38 '5 "  N , 1 ° 55' 49"  W.
Right tributaries	Derry Brook

The Swill Brook is a tributary of the Thames in Wiltshire . The Swill Brook is also known as Braydon Brook in its upper reaches , which arises from various unnamed tributaries around the place Crudwell . The Swill Beck flows eastwards to its confluence with the Thames south of Ashton Keynes .