The Bicaz Pass (Cheile Bicazului in Romanian, Békás-szoros in Hungarian) is one of the most spectacular places in Romania, located in the north-east part of the country, in Neamþ and Harghita counties.
The pass was formed by the waters of Bicaz River and it serves as a passageway between the Romanian provinces of Moldova and Transylvania. It is a noted location to see the wallcreeper, an uncommon cliff-dwelling bird, and rare plants such as the hard to reach Edelweiss, the Hens and Chichs (Sempervivum Tectorum) and the Yew tree .
The road along the 8 kilometres of ravines, often serpentines, and features 200-300 m high vertical rock walls which is a rarity for Europe, and a paradise for mountaineers. It is one of the most spectacular drives in the country.
The three main parts of the pass are sometimes referred to as, the Gate of Hell, the Limbo of Hell and the Throat of Hell.
Also within the pass is Lacu Rosu (the Red Lake), with its traditional cabins, hotels, and famous lake (situated at 980m altitude) caused by a landslide in the 19th century.
The average height of the surrounding mountains is 1300 m. One of the most famous mountains there is the Altar Rock, 1154 m, with its distinctive cross at the top.
The Red Lake and Bicaz Pass was officially recognized by the state as a national park in 1996 .