IGN Topographic Map of Spain
Below is an IGN (Instituto Geográfico Nacional - the Spanish equivalent of the OS) topographic map of Spain.
Scroll southwest for the Canaries, or east for the Balearic Islands, which are also included.
There are 2 layers. Sadly, neither have footpaths.
- Topographic (default), with excellent hill shading.
- Base with roads and propery outlines with house numbers.
The IGN have a hard to use online version here : signa.ign.es. Make sure you select 'mapa' map type
There are a bunch of Cicerone, Sunflower and Rother guidebooks to mainland Spain, the Balearic Islands, and the Canaries
Editorial Apina (Amazon UK) has combined 1:25,000 maps with multilingual walking guides