Map No. 6, Donegal Central in the Discovery series from the OSI, the Ordnance Survey of Irel&, which presents the country on detailed topographic maps at 1:50, 000, with additional overprint highlighting campsites & caravan parks, youth hostels, etc. The maps have contours at 10m intervals, with plenty of spot heights & additional altitude colouring. Graphics indicate different types of woodlands. An overprint highlights waymarked or unmarked walking trails as well as cycle routes. National or forest parks & nature reserves are marked & a range of symbols provide tourist information: campsites, caravan parks, youth hostels (An