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Mljet National Park
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Mljet National Park encompasses the western part of Mljet island and is widely regarded as the greenest region in the Croatian Adriatic. Established in 1960, the park protects a unique coastal landscape defined by two deep saltwater bays known as Veliko and Malo Jezero (Great and Small Lake). These lakes are connected to the open sea via narrow channels, creating a distinct marine ecosystem. A cultural highlight in the center of the Great Lake is the Isle of Saint Mary, home to a former Benedictine monastery dating back to the 12th century. Lush forests of Aleppo pine and holm oak cover over 90% of the park's territory, providing a sanctuary for diverse bird species and a famous population of mongooses. The park is a haven for cyclists, hikers, and kayakers who seek tranquility and crystal-clear waters on this remarkably preserved Mediterranean island.
- Location: Croatia
- Top sights: Mljet National Park · Eastern Basilica · Luka Polače
- Nearby: Mljet (12 km)
Best time to visit & climate
The most pleasant time to visit is May, Jun, Sep.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 6 | 7 | 10 | 14 | 18 | 23 | 27 | 27 | 21 | 17 | 12 | 8 |
| Rain mm | 108 | 102 | 95 | 71 | 56 | 47 | 26 | 34 | 81 | 94 | 121 | 121 |
📋 Practical info
Getting there
Entry points are usually found along the western side of the island, accessible by local transport. Shuttle boats frequently operate to connect the main walking routes with the spectacular deep bays.
Best season
Visiting between late spring and early autumn usually provides the most comfortable weather for hiking. The lush green vegetation is particularly animated, and the saltwater lakes are pleasantly warm.
Terrain & paths
The protected area features exceptionally well-maintained walking and cycling paths around the deep bays. The surrounding land is forested and gently undulating, making it accessible for most fitness levels.
What to bring
A small backpack with adequate drinking water, a hat, and comfortable flat shoes is generally good. Bringing binoculars can also be highly rewarding for observing the diverse local bird species in the canopy.
Parking
Designated parking zones are typically provided near the official administrative entrances of the park. From there, visitors proceed primarily on foot or by rented bicycles to explore the pristine environment.
Safety
Swimming in the deep bays is typically restricted to specific zones to protect the delicate ecosystem. Hikers are advised to stay on marked paths to avoid disturbing the native wildlife in the greenest areas.
Time needed
Touring the main trails around the two large bays usually requires about half a day of leisurely walking. However, a full day is generally recommended to visit the historical structures and relax in nature.
Geography
Facts
- Founded in 1960, it is the oldest marine protected area in the Mediterranean.
- The Great and Small Lakes are saltwater bodies linked to the sea by narrow straits.
- Saint Mary's Island features a Romanesque Benedictine monastery from the 1100s.
- Forests cover about 90% of the park, earning Mljet the title of the Green Island.
- Small Indian mongooses were introduced in 1910 to eliminate poisonous snakes.
- Polače harbor contains ruins of a 5th-century Roman palace, the third largest in Croatia.
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.
Vehicle
Only stops with (optional):
© OpenStreetMap contributors · OpenRouteService
Sights in the town Mljet National Park (10)
Rimske Palače
Ruins of Roman palaces on Mljet island.
Paljevina
Beach on Mljet island, known for its clear water.
Nacionalni park Mljet
National park on Mljet island, protecting nature and cultural heritage.
Montokuc
Viewpoint on Mljet island overlooking the coast.
Zle stijene
Hill in Dubrovnik-Neretva County, Croatia.
Vratosolina
Viewpoint on Mljet island.
Sights nearby
Frequently asked questions
What are the main attractions on Mljet?
The two saltwater lakes (Veliko and Malo Jezero) and the Benedictine monastery on St. Mary's Island.
How do you get to the island?
By ferry or catamaran from Dubrovnik, Korčula, or Pelješac (Prapratno).
Can you swim in the lakes?
Yes, swimming in the warm saltwater lakes is allowed and very popular.
Can you rent bicycles?
Yes, renting bicycles is the best way to explore the national park around the lakes.
Is there accommodation inside the park?
There are hotels in Pomena and private accommodations in the villages of Goveđari and Polače.
Mljet National Park: where is it located?
Mljet National Park is located in Croatia.
Mljet National Park: what is there to see?
Highlights include Mljet National Park, Eastern Basilica, Luka Polače.
Mljet National Park: when is the best time to visit?
The most pleasant time to visit is May, Jun, Sep.
Mljet National Park: why is it worth visiting?
Mljet National Park encompasses the western part of Mljet island and is widely regarded as the greenest region in the Croatian Adriatic.
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