The OS Landranger map 147 of Elan Valley & Builth Wells also
Includes:: Llyn Brianne Reservoir, Caban-coch Reservoir, Gorllwyn, Drygarn Fawr, Glan Fedwen, Bryngwyn Bach & part of Glyndwr's Way. Glyndwr's Way attracts many walking enthusiasts to the beautiful scenery of the Elan Valley in mid Wales. While the full route is 217 km (135 miles) you can easily do more manageable sections. With this map you will receive a code for use on your i OS or Android smartphone or tablet. Find our more at Mobile Download FAQ. The OS Landranger map for Elan Valley & Builth Wells is available in both the standard paper version & weatherproof " Active" version.