Best natural monuments around Sezzadio include a variety of unique geological features and natural attractions. The region's landscape offers several spots to explore, ranging from thermal springs to ancient trees. These natural sites provide insights into the area's geology and offer opportunities for outdoor appreciation. There are 5 natural monuments detailed in this guide, showcasing the diverse natural heritage of the area.
Last updated: June 28, 2026
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Thermal spring in the city center
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Thermal water fountain located in the center of an elegant square that well represents the nature of the city's waters
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on-site drinking fountain and water rack
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In the middle of downtown Acqui Terme, Piazza Bollente is probably the main attraction of the beautiful city. Here stands the small Greek fountain temple, Fontana della Bollente, built in 1879, from which 74.5 degree hot, sulphurous water gushes. In addition to sulphur, it also contains iodine, salt and bromine and is healing for the respiratory tract and bloodstream.
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La Bollente is an elegant octagonal-shaped shrine-temple inaugurated in 1879 in the square of the same name. This structure of eclectic language highlights a thermal spring from which sulphurous-salty-bromine-iodine water flows at a temperature of 74.5°. A local legend reports the custom of the city of Acqui of immersing newborn children for a few moments in the Bollente spring: whoever survives, according to the popular tale, is named "sgaiento", that is, scalded. Known and used since Roman times, the Bollente spring is mainly used in Acqui's health facilities. Next to the Bollente you can also see the Civic Tower built in 1763 on the foundations of a gate of the ancient city wall dating back to the era of the Municipalities.
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Sulfur source: one of the oldest mineral springs in Castelletto, the jet is currently modest and discontinuous, with barely visible sulphurous characteristics.
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The region around Sezzadio offers a variety of natural features, including thermal springs, ancient trees, and scenic viewpoints. You can experience the unique phenomenon of naturally boiling water at La Bollente Hot Spring Fountain, discover sources of mineral water like Fonte Feja, and admire ancient trees such as the Walnut of Saint John and the Monumental Willow Tree.
Yes, La Bollente Hot Spring Fountain in Acqui Terme is a significant historical landmark. This octagonal-shaped shrine-temple was inaugurated in 1879 and is known for its sulphurous-salty-bromine-iodine water gushing out at 74.5°C. The Walnut of Saint John also carries historical folklore, with tales of witches meeting there in the Middle Ages.
Many natural monuments in the area are suitable for families. La Bollente Hot Spring Fountain is a fascinating sight for all ages. The Viewpoint of Riccaldone Vineyards offers a safe and scenic spot for photos. Additionally, Fonte Feja, the Walnut of Saint John, and the Monumental Willow Tree are all listed as family-friendly attractions.
For spectacular panoramic views, visit the Viewpoint of Riccaldone Vineyards. It features a well-built terrace perfect for admiring the surrounding hills and vineyards, offering excellent photo opportunities.
Yes, the area around Sezzadio offers various hiking opportunities. You can find routes like the 'From Castelspina to Castellazzo Bormida' or the 'Acqui Terme Cathedral – Fountain of the Water Lilies loop'. Explore more hiking trails in the region by visiting the Hiking around Sezzadio guide.
Cyclists can enjoy several routes, including the 'Francigena and Via Aemilia Scauri Loop' or the 'Belvedere di Ricaldone – Villa Ottolenghi Wedekind loop'. For more options, check out the Cycling around Sezzadio guide, which details various routes for touring bicycles.
Yes, there are running trails available. Examples include the 'Running loop from Castellazzo Bormida' and the 'Church of San Pancrazio loop from Silvano d'Orba'. You can discover more running trails in the area by visiting the Running Trails around Sezzadio guide.
The thermal waters, particularly from La Bollente Hot Spring Fountain in Acqui Terme, are sulphurous-salty-bromine-iodine and emerge at a high temperature of 74.5°C. These waters are renowned for their therapeutic properties, especially beneficial for the respiratory tract and bloodstream.
Visitors frequently highlight the unique natural phenomena, such as the boiling waters of La Bollente, and the stunning panoramic views from spots like the Viewpoint of Riccaldone Vineyards. The reopening of Fonte Feja, providing excellent mineral water, has also been well-received by the community.
Yes, Fonte Feja is a source of excellent mineral water. It was reopened in July 2023 after years of closure, making it accessible again for visitors.
Absolutely. The Walnut of Saint John is a centuries-old tree with local legends. Additionally, the Monumental Willow Tree is an imposing specimen, notable for its unique shape and high ecological value as a habitat for various animal species.
While specific seasonal tips are not provided for all monuments, spring and autumn generally offer pleasant weather for exploring outdoor natural sites and viewpoints. The thermal springs, like La Bollente, can be visited year-round due to their consistent temperature.


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