Grand Union Canal: Berkhamsted to Tring

The Grand Union Canal between Berkhamsted and Tring climbs gently through the Chilterns for 11.3 km, following the towpath as it rises through locks and open countryside toward Tring Reservoirs. The route passes through the hamlet of Cow Roast and transitions from an enclosed wooded valley into more open hillside as elevation increases, with narrowboats working through locks adding constant colour and activity. At the top, Tring Reservoirs provide a distinct change of character — proper lakeside walking with wide views that contrast beautifully with the intimate canal sections below.

This dog friendly walk is perfect for dogs who love waterside environments. The canal provides constant water access, narrowboat movement creates visual interest, and the towpath offers a rhythmic, steady surface ideal for distance walking. Off-lead potential is moderate along the quieter stretches between locks, though leads are sensible near busy lock areas where boats and other walkers congregate. Livestock risk is low, and the gradual elevation gain through the Chilterns adds physical interest without steep gradients. Both Berkhamsted and Tring have dog-friendly pubs and cafes for post-walk refreshments.