Kravica is one of the most popular natural swimming destinations in the western Balkans. Hundreds of thousands of visitors swim there each summer without incident. The risks are real but modest, and most are preventable with standard water sense. This guide covers water temperature, currents, kids, underwater hazards, winter conditions, and what to bring.
Water temperature (the single most-asked question)
Kravica is fed by a karst river — water emerges from underground springs at around 10°C year-round, then warms slightly by the time it reaches the pool. Expected pool temperatures by month:
- May: 14–16°C (bracing; swimming is possible but cold) - June: 16–18°C (cool, comfortable after a minute of adjustment) - July: 18–20°C (pleasant, even for extended swims) - August: 19–21°C (peak — warmest of the year) - September: 17–19°C (warm enough for swimming) - Early October: 15–17°C (dropping, starts feeling cold) - Late October–April: swimming not recommended (water is 10–14°C and the path down can be wet/muddy)
Compared to the Adriatic (24–27°C in summer) Kravica feels distinctly cool. Bring a towel and a light layer for after the swim.
Currents
The pool below the main cascade has gentle circulation but no dangerous undertow. The water flows outward from the cascade face toward the downstream exit. Two caveats:
1. Don't swim directly under the falling water. The impact zone has turbulence and the cascade's force in high-flow months (May–June) can be strong enough to push a swimmer under. Standard advice: swim in the pool but stay 5+ metres from the cascade face.
2. Don't swim downstream past the pool. The Trebižat continues past Kravica toward further cascades. The water stays cold and the current picks up. Stay in the main pool.
Kids
Kravica is fine for children who are confident swimmers. The main pool is deep (2–4 metres) in the centre and there's no shallow-end "children's area" — only the rocky edges offer ankle-depth entry. Specifically:
- Under 6: supervise closely. Life jackets are not provided; bring your own if your child needs one. - Ages 6–12: competent swimmers typically manage fine. The water is cold enough that short dips are more realistic than long play. - Teenagers: same as adults.
Do not allow children to jump from any of the elevated rocks or the cascade itself — both are dangerous and the second is banned by the park authority. Several accidents per year involve adolescent tourists attempting jumps.
Underwater hazards
The pool bottom is pebbled with some larger rocks. Water visibility is excellent (you can see 2–3 metres down in summer). Main hazards:
- Slippery rocks at the pool edges — water shoes significantly reduce the risk of bruised feet and slips while entering/exiting. - Cold shock if you dive in without adjusting gradually — especially in May or October when the water is coldest. - Submerged logs during high-flow months — fallen branches that float just below the surface. Visible but worth keeping an eye on.
The water is clean and drinkable at the cascade itself (the Trebižat is one of the cleanest rivers in Europe). Algae blooms, E. coli, and bacterial contamination are not issues at Kravica.
Swimming equipment we recommend
Required: swimwear, towel. Highly recommended: water shoes or sandals with grip (the €10 kind are fine), waterproof phone case/dry bag, a light sweater for afterward. Optional: goggles for clear underwater views, a hat for the sun on the walk down.
Winter and off-season
From late October through April, the pool is technically open but swimming is not advised. Water drops to 10–12°C, the path down is often muddy or icy, and the cascade's high flow makes the approach slippery. Some hardy locals do a quick winter plunge as a tradition, but don't expect a swimming experience.
In case of emergency
Park staff are present during operating hours and can contact emergency services. The nearest hospital is in Ljubuški (10 km) and the larger regional hospital is in Mostar (40 km). Phone signal at the park is good (Bosnian networks: BH Telecom, HT Eronet, m:tel).
For non-emergency information about the falls, see our Kravica Waterfall attraction page.
Photos from this route
