River Sulby

River Sulby or Sulby River can refer to one of two rivers on the Isle of Man:

The longest river on the island, rising on Snaefell near the Sulby Reservoir and running north through Sulby Glen and then east, for, before reaching the coast at Ramsey, [Isle of Man|Ramsey] It is crossed in Ramsey by the Victorian Ramsey swing bridge, built in 1892.
A tributary which rises to the west of Creg-ny-Baa, and flows south-west for about 4 km before joining the River [Glass, Isle of Man|River Glass].