subject: Exploring North Devon – Lynmouth and Lynton [print this page] The West Lyn River rises high in Exmoor, Somerset and joins the East Lyn at Lynmouth. The lower reaches of the river near Lynmouth are known as the Glen Lyn Gorge which is a popular tourist attraction- the Power of Water Visitor Attraction. Here there are many interactive things to keep the children occupied and the view from the gorge is spectacular.