BCB. Tres rios; por el Valle de Manzanedo Ebro, Trifón y Nela.

From Burgos take the road to Villarcayo until Incinillas and leave the car there. Take the BU 5741 towards Manzanedo. In the Valley of Manzanedo, before the village of Rioseco, on the right hand side, there are the ruins of the eponymous monastery. You can swim in the Ebro a few kilometers later, going down to the river on the left hand side. At the first crossing you have to take the BU 5746 to the right, towards Soncillo. Under the village of Landraves you can find the gorge of Palancas. The next village, Hoz, is very pretty with the río Trifón flowing through it. Then you have to go uphill; below you can see some huge caves. Go down to Soncillo - there are beautiful views on the way down. In Soncillo you have to take the road towards Espinosa, BU 526. Down there, before Santelices turn right onto the BU 561 which follows the river Nela, one of the prettiest rivers in the province. Enter the village of Puentedey with its wonderful natural arch. The surroundings and the village are very nice and it's a good place to eat. Return to the road towards Villarcayo; there take CL 629 and then the national 232 towards Incinillas.