The waterfall was historically believed to be much higher before the collapse of sections of the tufa barrier.
The water temperature at the spring source remains near-constant at approximately 10 degrees Celsius year-round.
The tufa barrier is actively growing as mineral-rich water continues to precipitate calcium carbonate onto mosses and vegetation.
The area surrounding Veliki Buk is officially protected as a Natural Monument of the first category in Serbia.
Veliki Buk is a 25-meter high karst waterfall located within the Lisine monument of nature in the Beljanica mountain region. The waterfall originates from a powerful karst spring fed by the Vrelo River, which flows into the Resava River. Its formation is characterized by a massive tufa barrier created by calcium carbonate deposits from the water. The surrounding area features dense beech and hornbeam forests, maintaining a localized microclimate significantly cooler than the surrounding lowlands. The water flow remains consistent throughout the year, though volume peaks following spring snowmelt or heavy rainfall. The site is part of the broader Resava Valley geological park network in Eastern Serbia. Public infrastructure includes wooden footbridges and viewing platforms that allow visitors to stand directly at the base of the cascade.
The wooden footbridge located directly in front of the waterfall base provides the best framing for the entire vertical drop.
Wear footwear with high-traction soles as the wooden walkways and stone surfaces near the fall are perpetually wet and slippery.
Bring a light waterproof shell or jacket even in summer, as the mist creates a significant cooling effect and localized moisture.
Visit the nearby Resavska Cave if planning a full-day itinerary, as it is geographically tied to the same regional karst system.
Do not attempt to hike the steep slopes surrounding the waterfall, as the rock is unstable and prone to landslides.
Stay on marked wooden platforms to protect the fragile tufa deposits and moss colonies; swimming directly under the main cascade is prohibited for safety and environmental protection.