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Black Lake Ecosystem
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Black Lake (Crno jezero) is the crown jewel of the Durmitor National Park, situated at an altitude of 1,416 meters near the town of Žabljak. The lake is composed of two distinct basins, the Big Lake and the Small Lake, which are linked by a narrow strait that often vanishes during the arid summer months. Paradoxically, the Small Lake is the deeper of the two, plunging to 49.1 meters, while the Big Lake reaches a maximum depth of 24.5 meters. The surrounding ecosystem is dominated by ancient, dense forests of black pine and spruce, which reflect off the water's surface to create its signature dark appearance. Fed by glacial meltwater and subterranean springs, the lake is a vital component of the UNESCO-protected Durmitor massif. It supports a diverse range of high-altitude flora and serves as a primary habitat for native trout and various alpine amphibians, making it a focal point for ecological research and nature conservation in Montenegro.
- Location: Montenegro
- Top sights: Savin kuk · Milošev tok · Veliki Međed (Sjeverni vrh)
- Nearby: Zabljak (4 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 | 2 | 7 | 11 | 15 | 18 | 18 | 13 | 9 | 4 | -1 |
| Rain mm | 134 | 131 | 121 | 93 | 89 | 83 | 52 | 49 | 104 | 124 | 162 | 152 |
📋 Practical info
Getting there
The ecosystem is easily accessible via paved paths starting from the town of Žabljak within the Durmitor National Park. Visitors typically walk the short, well-marked trail from the main entrance gate directly to the shores of the prominent lake.
Best season
Summer is the absolute peak season for a visit, providing warm weather well-suited for leisurely strolls around the coniferous forests. Winter transforms the area into a snowy wonderland, though deep snow can make some sections completely impassable.
Terrain & paths
The immediate path circling the water is generally flat, well-maintained, and suitable for visitors of all ages and fitness levels. However, venturing further into the surrounding woodlands will involve traversing steeper, rocky, and more uneven ground.
What to bring
Standard comfortable clothing and reliable athletic shoes are perfectly adequate for the main circular path. If you intend to hike the connecting mountain trails, sturdy trekking boots, trekking poles, and warm, waterproof layers become strictly necessary.
Parking
There is a designated and paid parking area located just before the official national park entrance gate near Žabljak. During the busy summer months, this lot can fill up quickly, so arriving early in the morning is highly recommended to secure a spot.
Safety
Remaining on the marked paths is crucial to protect the delicate rare flora and to avoid getting lost in the dense woods. Weather in the mountains can shift abruptly, bringing unexpected fog, heavy rain, or sudden temperature drops even during summer.
Time needed
A leisurely walk around the main glacial lakes typically takes about an hour and a half to complete. Visitors who wish to rent a boat, relax on the scenic shores, or explore the side trails should easily allocate a full half-day for the experience.
Geography
Facts
- Located at 1,416 meters above sea level in Durmitor National Park.
- Small Lake reaches a maximum depth of 49.1 meters.
- Total surface area is approximately 0.515 square kilometers.
- The lake is fed by the dramatic seasonal waterfall Čeline.
- Part of the UNESCO World Heritage list since 1980.
- Surface water temperatures reach up to 15°C in mid-summer.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
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Sights in the town Black Lake Ecosystem (3)
Sights nearby
Frequently asked questions
Where is the Black Lake located?
It is located in the Durmitor National Park, about 3 km from the center of Zabljak.
Is swimming allowed in the Black Lake?
Yes, in July and August the water often reaches pleasant temperatures for swimming.
Is there a circular trail around the lake?
Yes, a well-marked trail of about 3.5 km leads through the forest all the way around the lake.
Do you have to pay an entrance fee for the lake?
You need to pay the Durmitor National Park entrance fee (about 5 Euros per day).
Can you rent boats at the lake?
Yes, there is a boat rental for rowboats directly on the shore of the lake.
Black Lake Ecosystem: where is it located?
Black Lake Ecosystem is located in Montenegro.
Black Lake Ecosystem: what is there to see?
Highlights include Savin kuk, Milošev tok, Veliki Međed (Sjeverni vrh).
Black Lake Ecosystem: when is the best time to visit?
The most pleasant time to visit is Jun, Aug.
Black Lake Ecosystem: why is it worth visiting?
Black Lake (Crno jezero) is the crown jewel of the Durmitor National Park, situated at an altitude of 1,416 meters near the town of Žabljak.
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