The Stupčanica () is a small river in central-northern part of Bosnia and Herzegovina. The Stupčanica meets with the Bioštica at the small town of Olovo, and with the Bioštica it makes a pair of the Krivaja source headwaters and its right tributary. The Stupčanica river canyon, Čude Canyon, is a protected natural monument of Bosnia and Herzegovina.Rezervat prirodnih predjela Zakon o zaštiti prirode BiH, ("Službeni list SR BiH", broj: 4/65, od 5. februara 1965. godine)
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