Plizio Visual Lab

Prokoško Lake

Plizio editorial teamUpdated: Jun 2026Data Sources

wildlife

Weather…

Prokoško Lake is a glacial lake located on Vranica Mountain in Central Bosnia, situated at an altitude of 1,635 meters above sea level. Formed during the last ice age, the lake is surrounded by high mountain peaks that create a natural bowl-shaped landscape. A unique biological feature of the lake is the presence of the endemic Triton salamander (Ichthyosaura alpestris reiseri), a subspecies of the alpine newt that is native only to these waters. The surrounding area is dotted with traditional shepherd huts known as 'katuns', built from wood and stone, reflecting the cultural heritage of the region. Due to its alpine location, the vegetation is characterized by high-altitude plants and rare herbs that grow on the surrounding pastures. In recent decades, the lake has been designated a natural monument to protect the delicate ecosystem from human impact. Despite its isolation, it remains a significant research site for limnologists and biologists. The water quality and levels are directly influenced by snowmelt and precipitation from the Vranica massif.

Location: Bosnia and Herzegovina
Nearby: Fojnica (11 km)

Best time to visit & climate

The most pleasant time to visit is Jun–Aug.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	-2	-1	3	8	12	17	19	20	14	10	5	0
Rain mm	77	74	74	68	81	82	54	55	78	76	91	89

📋 Practical info

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Best season

The lake is best accessed in late spring and summer, when snowmelt is complete and water temperatures rise. The endemic alpine newts are most active during this time and easily observed.

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Best time of day

The newts are most active in early morning and late afternoon, when they forage in the shallow water. Avoid the midday heat, as they typically retreat to deeper zones then.

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Etiquette

Do not catch newts or disturb their habitat - the species is strictly protected. Avoid throwing stones or stirring up the water, as this damages the sensitive spawning sites.

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What to bring

Waterproof shoes or rubber boots help you get close to the shoreline. Snorkeling gear can be useful to observe newts underwater without disturbing them.

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Getting there

Prokoško Lake is reached by a hike from the Vranica mountain hut, which can be accessed by car up to a certain point. The trail is steep and rocky, requiring sure-footedness.

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What to expect

Newts are small and well-camouflaged - systematically scan the shallow, vegetated shore areas. Sit quietly by the water and wait for them to reappear.