Best natural monuments around Campoli Appennino are primarily shaped by karstic phenomena and its integration into the Abruzzo, Lazio and Molise National Park. This region offers unique geological insights and opportunities for nature exploration. The town itself is built around "Il Tomolo," a significant karst doline, highlighting the area's distinctive natural morphology. These features make Campoli Appennino a destination for those interested in geology, wildlife, and the natural beauty of the Central Apennines.
Last updated: May 16, 2026
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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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The sense of wonder that this work gives thanks to its colors that, immersed in the woods, create a truly special sensation.
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In the small town of Opi, in Abruzzo, there are countless karst springs and one of these forms the Fondillo stream. It is one of the first tributaries of the Sangro stream, which gives its name to the valley of the same name.
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guide to the work: https://www.arteparco.com/opere/2023-2/ ARTEPARCO is a project born with the desire to bring contemporary art into the National Park of Abruzzo, Lazio and Molise, one of the most ancient naturalistic sites in Italy, a symbol of uncontaminated nature. Every year an artist is invited to confront the Old-Grown Forests, recognized in 2017 as a UNESCO heritage site. Arteparco is a union between Art and Nature, which combines artistic beauty with unique and uncontaminated places such as the Park, an open-air museum where nature alone is the protagonist. The initiative is born from the collaboration between the Park Authority, the Municipality of Pescasseroli and PARCO1923 – a perfume brand inspired by the plants and flowers of the Park – and is carried out with the support of BMW Italia, which has always shown particular attention to the issues of sustainability and environmental protection, and Sky Arte, the in-depth television channel dedicated to culture and art. Partners of the project for the first time also GORE-TEX, a leading company in the creation of technologies for outdoor clothing, committed to ensuring a positive economic and social impact while respecting the environment, and the Woolrich Out Door Foundation, which is committed to protecting and safeguarding outdoor spaces for communities around the world. For the commitment to the enhancement of the territory demonstrated over the years by ARTEPARCO, the initiative enjoys the Patronage of the Ministry of Ecological Transition.
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audio guide of the work: https://www.arteparco.com/opere/2023-2/ ARTEPARCO is a project born with the desire to bring contemporary art into the National Park of Abruzzo, Lazio and Molise, one of the most ancient naturalistic sites in Italy, a symbol of uncontaminated nature. Every year an artist is invited to confront the Old-Grown Forests, recognized in 2017 as a UNESCO heritage site. Arteparco is a union between Art and Nature, which combines artistic beauty with unique and uncontaminated places such as the Park, an open-air museum where nature alone is the protagonist. The initiative is born from the collaboration between the Park Authority, the Municipality of Pescasseroli and PARCO1923 - a perfume brand inspired by the plants and flowers of the Park - and is carried out with the support of BMW Italia, which has always shown particular attention to the issues of sustainability and environmental protection, and Sky Arte, the in-depth television channel dedicated to culture and art. Partners of the project for the first time also include GORE-TEX, a leading company in the creation of technologies for outdoor clothing, committed to ensuring a positive economic and social impact while respecting the environment, and the Woolrich Out Door Foundation, which is committed to protecting and safeguarding outdoor spaces for communities around the world. For the commitment to the enhancement of the territory demonstrated over the years by ARTEPARCO, the initiative enjoys the Patronage of the Ministry of Ecological Transition. https://www.arteparco.com/audioguida-2023/
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Magical and fairy-tale place, where you can enjoy a relaxing walk in the shade of beech, willow and mountain peaks.
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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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The lake of Posta Fibreno or della Posta, a nature reserve, is one of the most beautiful, characteristic and unspoiled natural oases in all of central Italy. Included in the green Valle di Comino, this huge source of pure water, coming from the slopes of the nearby mountains of the Abruzzo National Park, gives life to the icy and clear Fibreno river. Singular peculiarities of the lake are the floating island and the ancient boat with a flat bottom. The small trout called "Carpione del Fibreno" (endemic) and the rare macrostigma trout find their natural habitat here. The lake has always been frequented by scuba divers or free diving and by birdwatching enthusiasts.
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The region is known for its karstic phenomena. You can explore "Il Tomolo," a massive karst doline around which the town of Campoli Appennino is built. Another significant feature is the Lake Posta Fibreno, a protected natural area famous for its floating island and endemic trout species. Don't miss the Val Fondillo Springs, a magical spot for relaxing walks.
Yes, several natural monuments are suitable for families. Lake Posta Fibreno offers opportunities for observing diverse aquatic life and birdwatching. The Val Fondillo Springs provide relaxing walks in the shade, perfect for all ages.
Campoli Appennino is located within the Abruzzo, Lazio and Molise National Park, a haven for biodiversity. You might spot the Marsican brown bear in the Bruno Marsicano Bear Wildlife Area near "Il Tomolo," as well as Apennine wolves and golden eagles within the wider park. Lake Posta Fibreno is home to unique aquatic life, including the endemic "Carpione del Fibreno" trout, and offers excellent birdwatching opportunities.
The Abruzzo, Lazio and Molise National Park, which encompasses Campoli Appennino, offers numerous hiking and cycling trails. You can find a variety of routes, from easy walks to more challenging treks. For detailed options, explore the Hiking around Campoli Appennino guide, which includes trails like the Gole di Lacerno and Monte Tranquillo Loop.
Yes, there are easy walking trails. The Val Fondillo Springs offer a magical and fairy-tale place for relaxing walks. Additionally, the Hiking around Campoli Appennino guide lists easy routes such as the Gole di Lacerno.
The region offers beauty year-round. Spring and autumn provide pleasant temperatures for hiking and exploring the diverse landscapes and forests. Summer is ideal for enjoying the cooler areas around springs and lakes. While winter offers a unique, snow-covered landscape, some trails might be less accessible.
Beyond hiking, the area is excellent for cycling and mountain biking. You can find various routes, from easy loops around Lake Posta Fibreno to more challenging rides through the mountainous terrain. Check out the MTB Trails around Campoli Appennino and Cycling around Campoli Appennino guides for detailed routes.
While many natural monuments in the mountainous Abruzzo, Lazio and Molise National Park involve uneven terrain, some areas might offer more accessible paths. For specific accessibility information, it's recommended to check with local visitor centers or the park authority directly before your visit.
Yes, the region features unique blends of art and nature. You can visit Arteparco Totem – Accademia di Aracne and Rinascita by Megx (2024), both part of the ARTEPARCO project. These man-made monuments are integrated into the forest, creating special sensations with their colors immersed in the woods within the National Park.
Campoli Appennino is primarily shaped by karstic phenomena. The most prominent feature is "Il Tomolo," a massive karst doline around which the town is built. Other notable karstic formations include the "Fossa Maiura" and the "San Pancrazio" dolines, as well as the Treo Cave, which offers a glimpse into the region's subterranean geological processes.
Yes, the Fossa Maiura, a gigantic sinkhole a few kilometers from Alvito, is where the waters that feed the Fibreno river originate. It's a significant karstic depression forming a natural amphitheater.


Extend your search for the best caves by checking out these guides of the top ones around Campoli Appennino: