For long stretches the Numedal trail follows the river Numedalslågen, other sections of the route run through ever changing landscapes from the tops of mountains down to the sea. Mostly the roads are quiet with little traffic. Some short stretches of the road have gravel surfaces, others asphalt.
Family routes:
Some routes are particularly suitable for children, Dagalifjell to Rødberg (43,5 km through beautiful summer dairy farming districts), Veggli - Rollag (16 km) is flat and runs past sun-drenched cabins and houses dating back to the Middle Ages. and Brufoss - Larvik (57 km along Numedalslågen on quiet roads with little traffic).