Bunski Kanal in Malo Polje, Bosnia and Herzegovina

Bunski Kanal is a hidden natural wonder where the emerald Buna River dramatically merges with the mighty Neretva through a narrow limestone channel. Tucked away just a few minutes from Mostar, Bunski Kanal is one of Bosnia and Herzegovina's most overlooked natural treasures. Here, the emerald-green Buna River squeezes through a narrow limestone channel before merging with the larger Neretva River, creating a striking display of swirling currents, vivid colors, and raw natural power.

Despite its proximity to popular attractions like Mostar and Blagaj, surprisingly few travelers stop here. Standing beside the narrow channel, watching the emerald Buna River rush into the Neretva, it felt like discovering a place that somehow escaped the guidebooks. It's the kind of place that invites you to slow down, watch the water dance through the gorge, and wonder why it isn't on every travel itinerary.

If you enjoy discovering remarkable places before the crowds do, Bunski Kanal is a hidden gem well worth the short detour. Get more unusual and extraordinary places each week with the Atlas Obscura Places newsletter. Your newsletter subscriptions with us are subject to Atlas Obscura's Privacy Policy and Terms of Use.

Bunski Kanal is located about 10 minutes south of Mostar, just off the M17 road, and is easily accessible by car. There is a small parking area near the river, followed by a short walk to the viewpoint. The site is especially beautiful on sunny days, when the turquoise waters of the Buna and Neretva rivers are at their most vibrant.

Since it remains relatively unknown, visitors can often enjoy the scenery in peace, even during the summer. The Afro-Caribbean workers who constructed the Panama Canal built this church-turned-museum in their spare time. This 19th century wooden span is one of only four retractile bridges in the United States.

The world’s oldest boat lift is also known in the United Kingdom as the "Cathedral of the Canals" and one of the "Seven Wonders of the Waterways." Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project. Thanks to its curved shape, this incredibly durable dam "whispers" to visitors. One of the last few period-correct, hand-operated canal locks in the country.