"The 1:40,000 scale used by British Mountain Maps is excellent for hill walking. These maps provide clear, detailed information." Sir Chris Bonington. Snowdonia's key mountains on a single map. Printed on polyethylene - durable, tear-resistant and 100% waterproof. Made in cooperation with the British Mountaineering Council. Colour shading for easy identification of hills and valleys. Less than half the weight of a laminated map. Detailed 1:15,000 enlargements of Snowdon and Tryfan. Geological map of Snowdonia supplied by the British Geological Survey. Mountain incident and first aid advice. Tips on using your map and compass. Useful local phone numbers and websites.