IGN Top 25 maps cover areas of particular tourist interest, mainly around the coast, and have a map number ending in T. The maps have an overprint highlighting local footpaths, long-distance GR routes and, where appropriate, ski routes. Other tourist information includes campsites, equestrian or canoeing centres, huts, mountain refuges, etc. Map legend is in French and English. Each TOP 25 map covers an area of approximately 28 x 21 km (17 x 13 miles).

The rest of France is covered by Serie Bleue maps, which have no overprint and map numbers ending in O or E. The legend is in French only but is fairly self-explanatory. Each Serie Bleue map covers an area of approximately 20 x 14 km (12 x 9 miles), with some maps slightly larger.

Both series have similar cartography, with contour interval of 5 metres, except for mountainous areas, where the maps have hill shading and contours at 10-metre intervals. Scale 1:25000

Click on the number to go to relevant order page at Maps Worldwide.  Generally, Top 25 Maps are £8.99 and Serie Bleue £7. 99
If you need to check that a map covers the area you want, click on the thumbprint grid below to see the full size numbered version. Grid numbers generally read from North to South, West to East. Please place cursor anywhere on map area and wait for magnifier to appear.
 

PAS DE CALAIS/NORD

SOMME, OISE, AISNE [PICARDIE]