Ordnance Survey Blackwater Estuary - OS Explorer 176 Map EAV 13887 Built on a dynamic hiking

Built on a dynamic hiking last - the forefoot

as it says on the tin

5 litres per minute without need for chemicals or batteries

For enhanced versatility

durability and low weight

Ordnance Survey Blackwater Estuary - OS Explorer 176 Map EAV 13887 Built on a dynamic hikingHowever remote the terrain, Ordnance Survey maps give you the accurate, detailed information you need to navigate safely. Rights of way, fences, permissive paths and bridleways are clearly shown, ensuring you have the best information to get the most out of your time in the countryside. These are the map of choice for many walkers, climbers, off road cyclists, horse riders and anyone involved in outdoor activities.