Baatara gorge waterfall, Natural waterfall in Tannourine, Lebanon.

Baatara Gorge Waterfall drops 255 metres into the Balaa Pothole, a chasm cut into Upper Jurassic limestone. Two natural bridges span the shaft, one a third of the way down and one two-thirds down; seen from the far rim with the top edge, they read as three bridges. In spring and summer snowmelt, the Oued Baatara forms a 90-metre cascade that falls behind them.

A French researcher first documented this geological formation in 1952, bringing it to scientific attention. Since then, the site has drawn interest from researchers studying the region's underground water systems.

The site is also called the Cave of the Three Bridges, after the two rock ledges that, seen from the far side of the chasm, appear with the upper rim as three stacked bridges. The spring snowmelt feeds a 90-metre cascade that drops behind them.

The trail to the gorge involves moderate hiking over stairs and rocky ground, so sturdy footwear is essential for safe footing. Wet conditions make surfaces slippery, so extra caution and grip are needed when visiting after rain or melting snow.

In 1988 a fluorescent dye test showed that water sinking in the chasm resurfaces 13 hours later at the Dalleh spring near Mgharet al-Ghaouaghir, 6 km to the north-west and 860 m lower. The two formations inside the pothole sit at one-third and two-thirds of its depth; seen from the far rim with the upper edge, they read as three bridges.