A Slow Guide to Imotski: Blue Lake, Red Lake and Dalmatia's Hidden Hinterland

Just an hour’s drive inland from the Makarska Riviera, the town of Imotski feels a world away from Croatia’s busy coast. Surrounded by green hills and vineyards, it is best known for two remarkable natural phenomena: the Blue Lake and the Red Lake, both deep karst sinkholes that have shaped local life for centuries. A visit here offers a slower, more authentic slice of Dalmatia.

The Blue Lake: A Walk to the Water’s Edge

The Blue Lake (Modro jezero) sits in a steep-sided sinkhole on the edge of town. Its water level changes dramatically with the seasons: after winter rains, the lake can be deep and full, while hot summers often shrink it to a shallow pool or even dry it out completely. A well-marked path winds down the rocky slope from the viewpoint to the lake shore, a descent of around 200 metres. When water levels are high enough, swimming is a popular local pastime, and the clear, cool water is a welcome relief in summer. The trail is steep and uneven, so sturdy shoes are essential, and it is best attempted in the cooler morning or late afternoon.

The Red Lake: A View from the Rim

Just a short walk from the Blue Lake viewpoint, the Red Lake (Crveno jezero) is even more dramatic. This massive sinkhole plunges over 500 metres from rim to lake surface, making it one of the deepest in Europe. The lake itself reaches depths of nearly 300 metres. The cliffs are sheer and rust-coloured, giving the lake its name. Unlike its blue neighbour, the Red Lake cannot be reached on foot; visitors admire it from a fenced viewpoint on the edge. The sense of scale is breathtaking, especially at sunset when the rock glows red.

Topana Fortress and the Old Town

Above the town, the medieval Topana Fortress offers panoramic views over Imotski and the surrounding countryside. Built as a defensive stronghold, it has watched over the region for centuries. Today, its walls are open to explore, and the climb up from the old town is rewarded with a sweeping vista that includes both lakes on a clear day. Down in the centre, Imotski’s stone streets hold a lively market, traditional konobas, and a relaxed pace that invites lingering over coffee.

Getting There and Around

Imotski is well connected by road: from Split, take the A1 motorway and exit at Zagvozd, then follow signs for about 20 minutes. From Makarska, a scenic winding road climbs through the hills. Regular buses also link Imotski with Split and Makarska. The town itself is walkable, and the Blue Lake trailhead is right at the edge of the old town. For a fuller experience, consider exploring the nearby Vrljika river springs at Opačac or the Grabovac cave, both within a short drive. Whether you visit for a day or stay to soak up the quiet atmosphere, Imotski offers a striking contrast to the coastal crowds.