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    The Piva canyon with the blue water of the reservoir between pale rock walls and forest on the slopes

    Piva Nature Park, Plužine

    Lake Piva, a flooded canyon among the mountains

    Lake Piva is the reservoir created in the 1970s when the 220-metre Mratinje dam closed off the Piva river. MONSTAT gives it 112.5 km² at 675 metres above sea level and a maximum depth of 187.5 metres, and Piva Nature Park calls it Montenegro's largest artificial lake. You can explore it by boat from Plužine and drive along its shore towards Bosnia.

    In 30 seconds

    Full read: 2 min

    • Lake Piva is a reservoir of 112.5 km² and up to 187.5 metres deep.
    • It was created by the 220-metre Mratinje dam, completed in the 1970s.
    • It drowned much of the Piva canyon and the old town of Plužine.
    • You can explore it by boat from Plužine, and the road to Bosnia runs along it.

    Lake Piva is better from the water than from the road. I'd take a boat from Plužine into what's left of the canyon, stop at Piva Monastery and, if I were heading to or from Bosnia, drive the lakeshore road slowly rather than rushing it.

    Sergio LeponeMy advice

    Before you go

    What I would keep in mind

    1. 01 Most beautiful

      A canyon still down there

      Piva Nature Park recalls that the river carved a canyon 33 km long and up to 1,200 m deep between Volujak, Maglić, Bioč and Pivska planina, most of which the reservoir drowned.

    2. 02 Worth the splurge

      Out on the reservoir by boat

      The park rates the lake as particularly rewarding by boat, to see what remains of the submerged canyon, and the national tourist board adds kayaking and a zip line.

    3. 03 My tip

      The Mratinje dam

      The dam is at Mratinje, about 10 km from Šćepan Polje, and at 220 metres it ranks among Europe's tallest, according to Piva Nature Park.

    4. 04 Money

      Fishing with a permit

      The park singles out the lake for fishing. As in any protected area, ask about a permit at the Plužine information centre before you cast a line.

    What I would book

    Lake Piva is man-made, and that takes nothing away from it. It’s the reservoir of the Piva hydroelectric scheme, filled in the 1970s when the Mratinje dam closed, and it flooded what had been one of the finest canyons in the region. The result is a long tongue of turquoise water wedged between rock walls and forest that reminds me more of a fjord than a reservoir. MONSTAT gives it 112.5 km², at 675 metres above sea level, and a maximum depth of 187.5 metres.

    A canyon under the water

    Piva Nature Park explains what was here before. The Piva rises at the Sinjac spring and runs north for about 33 km to Šćepan Polje, where it joins the Tara. Along the way it had carved a canyon 33 km long and up to 1,200 metres deep between Volujak, Maglić, Bioč and Pivska planina. The 220-metre Mratinje dam, which the park counts among the tallest in Europe, drowned most of it.

    Other things went under too. The old town of Plužine, then the municipal seat, was submerged and a new one built on the shore. Piva Monastery was taken apart stone by stone and rebuilt higher up. And Odmut cave, with remains from the early Neolithic, was lost for good, according to the park.

    Things to do on the lake

    What I’d recommend most is a boat. Piva Nature Park describes the lake as especially rewarding to explore by water and see the remaining features of the drowned canyon, and the national tourist board adds swimming, fishing, kayaking and a zip line over the lake. The park also highlights it for flat-water sports and angling.

    From the shore, the road from Plužine to the Bosnian border runs beside the reservoir, and the Mratinje dam is about 10 km from Šćepan Polje. If you’re entering or leaving Montenegro that way, the drive is a sight in itself, though remember it’s a narrow mountain road and you’re on the right-hand side.

    If you are staying the night, see the best hotel deals in Plužine for your dates: the well-placed rooms go fast.

    Piva Nature Park

    The lake lies within Piva Nature Park, which covers much of the municipality between the Bosnian border and Durmitor National Park. The park says its rivers hold brown trout, grayling and Danube salmon, and its forests bears, wild boar and roe deer. For fishing, as in any protected area, check the permit situation at the Plužine information centre.

    Getting there and where to stay

    The lake is beside Plužine, 109 km from Podgorica and 58 from Nikšić according to the park, on the Podgorica to Sarajevo road. Plužine is the most practical place to stay. Coming from Durmitor, the Trsa road drops down to the lake, and if white water is your thing, the Tara Canyon ends at Šćepan Polje, close by.

    So you do not lose the morning at the ticket office, browse tickets and tours in Lake Piva on GetYourGuide.

    If you are staying the night, see the best hotel deals in Plužine for your dates: the well-placed rooms go fast.

    Plužine on the shore of Lake Piva, with houses on the hillside and turquoise water between wooded mountains

    Plužine on the shore of Lake Piva, with houses on the hillside and turquoise water between wooded mountains

    The stone church of Piva Monastery, with a dark pitched roof, behind a wall and beside a small wooden shelter

    The stone church of Piva Monastery, with a dark pitched roof, behind a wall and beside a small wooden shelter

    Lake Piva in figures

    MeasureValueSource
    Area112.5 km²MONSTAT
    Greatest depth187.5 mMONSTAT
    Altitude675 mMONSTAT
    Length42 kmPlužine municipality and Piva Nature Park
    Dam height220 mPiva Nature Park
    Dam completed1975Plužine municipality

    Checked on 11 October 2026. Piva Nature Park also gives 1976 for the power station; the municipality's year is used here.

    Test yourself

    True or false?

    0/3 Pick before you peek.

    1. A Neolithic site lies beneath Lake Piva.

      See the answer

      True. Piva Nature Park says the reservoir covered Odmut cave, about 11 metres deep, which held remains from the early Neolithic.

    2. Lake Piva is deeper than Durmitor's Black Lake.

      See the answer

      True. It reaches 187.5 metres, against the Black Lake's 49.1, according to MONSTAT.

    3. Piva Monastery ended up underwater.

      See the answer

      False. It was dismantled and rebuilt on higher ground with its frescoes, according to Piva Nature Park.

    Reservoir area
    112.5 km²
    Greatest depth
    187.5 m
    Height of the Mratinje dam
    220 m
    Length of the lake
    42 km

    Map

    Where Lake Piva is

    The Adriatic coast runs from Herceg Novi to Ulcinj; the centre holds Podgorica, Cetinje and Lake Skadar, and the north, Durmitor and the Tara Canyon. Every number opens its guide.

    1Plužine 2Lake Piva 3Piva Monastery

    Map data © OpenStreetMap contributors (ODbL)

    1. 1PlužineNorthern Montenegro, the Piva area
    2. 2Lake PivaPiva Nature Park, Plužine
    3. 3Piva MonasteryPlužine, the Piva area

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    1. Plužine
    2. Lakes
    3. Piva Monastery

    Frequently asked questions

    Where is Lake Piva in Montenegro?

    In Plužine municipality, in north-west Montenegro by the border with Bosnia and Herzegovina. The Podgorica to Sarajevo road runs along it.

    How deep is Lake Piva?

    Up to 187.5 metres, according to MONSTAT, which gives it 112.5 km² at an altitude of 675 metres.

    Is Lake Piva natural?

    No. It's the reservoir of the Piva hydroelectric scheme, which flooded much of the river's canyon and the old town of Plužine in the 1970s.

    Can you take a boat trip on Lake Piva?

    Yes. Piva Nature Park describes it as very rewarding to explore by boat, and the national tourist board suggests cruises, kayaking and swimming.

    What is there near Lake Piva?

    The town of Plužine, Piva Monastery, moved with its frescoes to save it from the water, Lazar Sočica's tower at Goransko and, downstream, Šćepan Polje, where the Piva meets the Tara.

    Sergio Lepone

    By

    Tourism graduate with a master’s in Tourism Management and Planning from the University of Málaga, who has travelled across Europe. He writes every guide from official sources and his own judgement.

    Published on . Facts checked on .

    How I check every fact and where it comes from

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    Photos: Julian Nyča (CC BY-SA 4.0); Julian Nyča (CC BY-SA 4.0); Wiki surfer bcr (Public domain), via Wikimedia Commons.