Canals lose water through locks, evaporation and leakage. Discover how reservoirs, springs, boreholes and pumps keep the Grand Union Canal full and navigable.

Canal locks may look complicated, but the basic idea is surprisingly simple. Discover how they work and what to expect on your first narrowboat day.

Gather your family crew for the ultimate summer challenge: learn to steer, navigate locks, spot wildlife and captain a private narrowboat for the day.

We've rolled out a short-notice midweek booking promotion - save up to 20% on spontaneous days out over the summer

A private narrowboat day can become a family adventure, birthday celebration, friends’ reunion or peaceful escape. Discover five ways to enjoy the Grand Union Canal from Cow Roast Marina in Tring.