Frodeåsen
Frodeåsen is a hill just north of the town center of Tønsberg, Norway. Reaching  above mean sea level, it serves largely as a recreational area. Two tunnels run through the hill: the  long Jarlsberg Tunnel of the Vestfold Line and the Frodeåsen Tunnel on County Road 300. References

Tønsberg
Mountains of Vestfold og Telemark