Route Route nationale 12

1 route

1.1 trappes dreux (0 km - 62 km)
1.2 dreux rennes (62 km 324 km)
1.3 rennes brest (324 km 570 km)

route

paris-dreux-rennes-brest

trappes dreux (0 km - 62 km)

the road starts southwest of paris branch of route nationale 10, old road @ trappes starting rue de dreux , heading west. new road autoroute standard , starts extension of rn286 @ junction a12 autoroute.

both routes pass round Étang de saint-quentin before merging @ plaisir; old road course numbered rd912. road heads west, crossing forêt des quatre piliers (184 m). road bypasses small town of houdan , crosses river eure city of dreux, 1 of many circle paris.

dreux rennes (62 km 324 km)

the road leaves dreux , heads broadly southwest through rolling countryside of southern normandy. passes town of saint-lubin-des-joncherets, in upper valley of river avre. next comes verneuil-sur-avre, rn26 heads northeast caen. countryside more wooded road crosses les bois francs before coming forêt du perche.

at mortagne-au-perche road becomes autoroute standard again , old course of road taken d912. area classified parc naturel régional du perche, featuring forests , hills 256 m. after le mêle-sur-sarthe road enters parc naturel régional normandie-maine. road crosses a28 autoroute , rd138 @ town of alençon.

the road continues west through increasingly undulating countryside. in forêt de multonne mont souprat rises 385 m. @ pré-en-pail rd176 heads northwest coast , avranches. road heads southwest below hills such mont du saule , bois de buleu both 327 m high. road next enters mayenne. rn162 heads south here laval. road next reaches ernée crossing forêt de mayenne (215 m). road crosses open country fougères, rn12 passes southwest. rn12 joins a84 autoroute; old road rd812. passes village of saint-aubin-du-cormier forêt de liffré , forêt de rennes. road enters city of rennes.

rennes brest (324 km 570 km)

at rennes there junctions rn137, rn136 (e50) , rn24 lorient. rn12 heads northwest brittany classed european route e50. road passes garun valley south of forêt de montauban. countryside mix of rolling hills , tight river valleys. due old royal act of parliament, roads cannot tolled within brittany, , rn12 upgraded autoroute standard not numbered such. rn12 s old course numbered rd712. road has junction rn176 (e401) dinan. road passes lamballe before reaching coast , bay @ yffiniac. road enters town , port of saint-brieuc on southwest corner of baie de saint brieuc on english channel.

the rn12 heads west old road rd712. passes through bois de malaunay before reaching town of guingamp. road continues west past menez-bré (302 m). countryside becomes more , more undulating steeper river valleys monts d arrée lie south (394 m). road comes morlaix @ head of river jarlot. road continues southwest landivisiau old road follows scenic river elorn past moulin de brézal. new road takes more direct route north. @ landerneau rd712 heads northwest leaving estuary of elorn. roads both enter large atlantic coast port of brest east. becoming rue de paris on city centre. rn165 heads south town quimper. city lies on north side of rade de brest protected atlantic headland access through natural channel of goulet de brest.

route map: google