The Granite-steppe lands of Buh (Ukrainian: Регіональний ландшафтний парк «Гранітно-степове Побужжя») is a regional landscape park in the north-west of Mykolaiv Oblast in Ukraine.
The park includes the river valley of Southern Buh and the ravine-like vallies of its tributaries: Velyka Korabelna, Bashkala, and Mertvovod. The park stretches on 70 km (43 mi) from the southern part of Pervomaisk to the rural settlement of Oleksandrivka in Voznesensk Raion. It was established in 1994 by the decision of the Mykolaiv Oblast council and is located on the territory of Pervomaisk and Voznesensk raions. The area of the park is 6,267 ha (15,490 acres).