N-623 (Road)

National Road in Spain
Name= Carretera Nacional N-623
Signal= N-623
Beginning= Burgos
End= Santander
Length= 153The N-601 is a highway in northern Spain. It connects Burgos with Leon.

It starts at Burgos on the Autovía A-62 and a junction with N-I. It passes through the city over the River Arlanzon. It then heads north having a junction with the N-627.

The road then climbs to cross the "Puerto del Paramo de Masa" and then "Portillo del Fresno" (1,050 m). The road then winds down to the Upper Ebro valley. There is a junction with the N-232 at the eastern edge of the "Embalse del Ebro". The road then climbs again into the Cordillera Cantabria crossing "Puerto del Escudo" (1,100m). Continuing along a narrow valley the road reaches the N-634. Thereafter the road turns north east towards Santander and a junction with the Autovía A-67.