Some useful guides
Basque Country: Of Spain and France
This little guide book has some lovely coastal and mountain nature walks and drives. Fold-out touring map, large-scale (1:50,000) topo walking maps.
These regional hiking and adventure guides have good sections on the Basque Country and Navarra
The Rough Guide map of Northern Spain is the ultimate companion for anyone exploring this fascinating region. From the remote beauty of the Picos de Europa to the bustling port of Santander and cosmopolitan Bilbao, the map provides detailed route information whether you’re travelling by car or public transport or out on a day’s hiking or biking.