Rickmansworth is a town in the Three Rivers district of Hertfordshire, England.
The town has a population of around 30,000 people and town lies on the Grand Union Canal and the River Colne, at the northern end of the Colne Valley Park.
It began to grow in the 1920s and 1930s, and is on the Metropolitan line of the London Underground. As such, it is largely a commuter town.
