The county has an area of 7,544 sqkm, stretching between 46 ° 23'48 and 47 ° 35'21 north latitude and between 21 ° 26'06 and 22 ° 48'39 east longitude. The main relief units are West Camp, West Hills, Plopis Mountains, Padurea Craiului Mountains, Bihor Mountains and Vladeasa Mountains. Maximum altitude: vf. Bihorul (Cucurbata Mare) 1849 m, Budeasa 1790 m, Carligati 1693 m. Main water courses: Crisul Negru, Crisul Repede, Barcau. Main lakes: Petea (karst and anthropic dam), Cefa, Madaras, Homorog (helesteia).
Info from Wikipedia