4.3
(197)
868
hikers
70
hikes
Hiking around Lake Posta Fibreno offers access to a unique karstic landscape at the foot of the Apennine Mountains. The region is characterized by exceptionally clear, cold karstic springs feeding the lake, which features an elongated shape and surrounding woodland. Trails often provide views of the "Rota," a natural floating island, and pass through areas of rich biodiversity, including reed thickets. The entire area is protected as part of the Lago di Posta Fibreno Regional Nature Reserve.
Last updated: June 30, 2026
4.4
(5)
27
hikers
6.26km
01:57
230m
230m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
8
hikers
5.96km
01:33
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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2
hikers
4.58km
01:18
110m
90m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.9
(31)
104
hikers
4.07km
01:18
180m
180m
Hike the Gole di Lacerno trail, an easy 2.5-mile (4.1 km) route that takes about 1 hour and 18 minutes to complete, gaining 602 feet (184 metres) in elevation. You…
5.0
(2)
11
hikers
6.01km
01:53
240m
240m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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A few kilometers from the town of Alvito, among the mountains bordering Abruzzo, there is the so-called Fossa Maiura (815 m), a karst depression that almost forms a natural amphitheater: it is a gigantic sinkhole about 100 meters deep and about 3 km in circumference, in the shape of an inverted truncated cone with a perimeter of more than a kilometer. This is where the waters that feed the Fibreno originate.
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beautiful route along the gorges
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To be enjoyed throughout the route by bike
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Fossa Maiura is a chasm located near Alvito. It forms a natural amphitheater with a deep sinkhole and water springs.
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Last stretch of the gorges, before the Cuccetto del Diavolo waterfall.
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Panoramic point at the beginning of the route. The best time to visit the Lacerno Gorges is between the end of June and the end of August. The path is not marked, but you can see where it is possible to pass. For safety reasons I suggest putting on a helmet before entering the gorges.
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The lake of Posta Fibreno, also known as lake of the Post, is located in the Comino Valley on the border of Lazio with Abruzzo and Molise, in the middle valley of the Liri, in the center of the homonymous reserve in the province of Frosinone, the Lazio side of the National Park of Abruzzo, Lazio and Molise. Source: https://it.wikipedia.org/wiki/Lago_di_Posta_Fibreno
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There are 18 easy hiking trails around Lake Posta Fibreno, offering a variety of options for exploring the unique karstic landscape and clear waters of the region. In total, the area features over 50 hiking routes across different difficulty levels.
Easy hikes around Lake Posta Fibreno typically feature relatively flat paths and boardwalks along the lake's edge, with gentle elevation changes. You'll encounter woodland sections, reed-lined shores, and paths offering views of the clear, spring-fed waters. The region's karstic origins mean you might also find unique geological features like sinkholes.
Yes, many of the easy trails around Lake Posta Fibreno are circular, allowing you to start and end at the same point. For example, the Lake Posta Fibreno – Lake Posta Fibreno loop from Posta Fibreno is an easy 5.1 km circular route offering continuous lake views.
Easy hikes around Lake Posta Fibreno offer views of several unique natural features and landmarks. You can observe the exceptionally clear, turquoise waters fed by karstic springs, and potentially spot "la Rota," a natural floating island mentioned by Pliny the Elder. Some routes, like the Submerged Cross loop from Posta Fibreno, pass by the notable submerged cross in the lake. Another interesting feature is the Fossa Maiura Karst Sinkhole, which you can explore on its dedicated loop trail.
Yes, the easy hiking trails around Lake Posta Fibreno are generally very suitable for families. The serene environment, gentle paths, and opportunities for wildlife spotting make it ideal for a quiet family walk. Many routes are relatively short and have minimal elevation gain, ensuring an enjoyable experience for all ages.
The Lago di Posta Fibreno Regional Nature Reserve generally welcomes dogs, but it's always recommended to keep them on a leash to protect the local wildlife and ensure a pleasant experience for all hikers. Most easy trails are suitable for dogs, offering plenty of natural scents and open spaces.
Lake Posta Fibreno is beautiful year-round, but the best time for hiking is typically during the spring (April-June) and autumn (September-October) when the weather is mild and the natural scenery is vibrant with blooming flowers or rich fall colors. Summer can also be pleasant, especially in the mornings or late afternoons, but be prepared for warmer temperatures. Winter offers a unique, tranquil experience, though some paths might be damp.
While the terrain is generally gentle, many easy hikes offer picturesque viewpoints directly overlooking the lake's clear waters and the surrounding woodlands. Paths along the lake's edge, such as the Catannovo Path, provide continuous scenic vistas and opportunities for birdwatching.
Yes, parking is generally available in the vicinity of the main trailheads and villages around Lake Posta Fibreno, such as Posta Fibreno. Specific parking information can often be found on individual route descriptions on komoot or local signage.
While public transport options directly to every trailhead might be limited, you can typically reach the main towns and villages near Lake Posta Fibreno, such as Posta Fibreno, by bus from larger regional centers. From there, some trailheads may be within walking distance, or local taxi services might be available. It's advisable to check local bus schedules in advance.
The area is highly rated by the komoot community, with an average score of 4.38 stars from over 160 reviews. Reviewers often praise the exceptional clarity of the lake's water, the peaceful and tranquil setting, and the unique natural features like the floating island and karstic springs. The well-maintained, easy paths and opportunities for wildlife spotting are also frequently highlighted.
Yes, the villages surrounding Lake Posta Fibreno, particularly Posta Fibreno, offer cafes and restaurants where you can enjoy a meal or a coffee before or after your hike. These establishments often feature local cuisine and provide a pleasant spot to relax by the lake.
The exceptionally clear and cold waters of Lake Posta Fibreno, fed by karstic springs, maintain a constant temperature of around 10-11°C (50-52°F) year-round. While the lake is known for its pristine quality and attracts divers, designated swimming areas are typically found in specific spots. Always check local regulations and safety guidelines before entering the water, as the lake is part of a protected regional nature reserve.


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