This is the best i could find.
www.buila.ro Buila-Vanturarita National Park web page
All the information you need. Has an english version to.
The Buila-Vânturariţa Massif offers great conditions for climbing and speleology.
In south-west the rivers Bistriţa and Costeşti carved a spectacular gorge where Mount Arnota is also comprised, and in the north-east, rivers Cheia and Olăneşti carved Comarnicelor Gorge (also called Recea Gorge or Cheii Gorge), one of the deepest and wildest in the country, with 1 km of waterfalls, erosional holes, steps, walls as narrow as 2 m and as tall as 300 m, and respectively Mânzului Gorge (Olăneştilor Gorge, Folea Gorge, the Bad Valley or the Dry River Gorge).