Ceahlau: Cycle Romania*The Road Collection. Ceahlau Mountain, also known as The Holy Mountain, will be your host on this great 50 km ride from Bicaz to Ceahlau Village. It will amaze you at every turn and show itself his 1000 faces. Top that with Lake Izvorul Muntelui (Lake Bicaz) and its magic panoramas and a few category 4 climbs and you have a perfect road ride that one must take in the spring.