Natural monuments around Refrancore provide opportunities to explore the diverse natural landscape of the Piedmont region. While Refrancore itself is a small municipality, its location offers access to a variety of natural attractions within the broader area. These sites showcase unique geological features, protected ecosystems, and significant natural wonders. Visitors can discover a range of natural areas, from unique trees to paleontological sites, reflecting the region's rich natural heritage.
Last updated: June 28, 2026
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The Bialbero di Casorzo is one of the most famous natural curiosities of Piedmont, in Italy.
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A cavity in the stone houses an altar and just above the statue of the Madonna. A silent, peaceful place, a few meters from the city center and traffic.
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Outside the beautiful and large church dedicated to the Madonna "del Portone", on the left side, there is a delightful pond with fish and turtles overlooked by a stone cavity that houses the statue of the Madonna.
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The Biarancio di Casorzo is located between Grana Monferrato and Casorzo, in Piedmont. It is called 'Biarancio' as this tree is a mulberry tree on which a cherry tree has grown. The best season to admire the Biarancio is at the end of spring, when it is in bloom.
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The WWF Oasis of Valmanera is a protected natural area near Asti, included in the Natura 2000 Network (ZSC) as a place of importance for the conservation of biodiversity. The Oasis extends for approximately 10 hectares of meadows, woods and paths. In the center of the Oasis there is a flat area where the Villa, the Hostel and the "Biberach an der Riss" conference room are located. The Villa houses the inn, the dining rooms, the bar and a WWF gadget shop, products from the Terre dell'Oasi and fair trade products. On the first floor there is a library and the Naturalistic Museum of the Territory which illustrates the history and natural richness of our area. On the top floor of the Villa there is the Painter's Room, a very beautiful conference room for 40 people. There is also an apiary, a pond, an educational vegetable garden and a short forest path with information panels and a fossil outcrop.
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On the hills of Monferrato, halfway between Asti and Casale Monferrato, the small town of Casorzo is home to a curious natural wonder: a double tree or a cherry tree grown on a mulberry tree. How it is formed For the more curious (or just curious) green thumbs, this is the most accredited theory to explain the birth of the double tree, otherwise known as the double tree of happiness: probably a bird or other small animal has the cherry seed on the inside of the hollow trunk of the mulberry tree. Somehow the roots worked their way to the ground and the plant began to grow on top of the mulberry tree, finding enough nourishment to fully develop. Et voilà, the double mast is ready! When should you go and see the Casorzo double shaft? In the middle of summer, with both plants completely green, the strange phenomenon of the "double tree" tends to go a bit unnoticed. In the spring, however, he does his best. If you've always dreamed of living the Japanese experience of Hanami, the practice of admiring cherry blossoms, you can always start here: between March and April, the cherry tree turns white, while the mulberry tree underneath is still bare. This is the time of year when the gap between the two trees is most obvious and spectacular. The double tree and the furnished area in which it stands are located directly on the path Malvasia di Casorzo . The access to the area is always free and with its tables it lends itself perfectly to receiving anyone who wants to stop for a break during an excursion or even just to those who want to have a picnic in the shade of a very special tree. Source: https://www.percorsimonferrato.com/bialbero-di-casorzo-monferrato/
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Place to rest with benches and table and a fountain with nice fresh water near an archaeological site.
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Known cherry tree born in a mulberry tree.
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Near Refrancore, you can discover several distinctive natural monuments. One notable example is the Bialbero di Casorzo, a fascinating natural wonder where a cherry tree grows atop a mulberry tree. Another interesting site is the Madonna del Portone Pond (Asti), a peaceful pond with fish and turtles, overlooked by a stone cavity housing a Madonna statue.
Yes, the Paleontological Site Rest Area offers a glimpse into ancient natural history. This location provides benches and a fountain near an archaeological site, making it a place to rest while appreciating the region's past. Additionally, the WWF Oasis of Valmanera, which includes the WWF Oasis Villa Paolina, features a Naturalistic Museum of the Territory illustrating the area's natural richness and a fossil outcrop.
The area around Refrancore, situated in the broader Piedmont region, offers a variety of natural features. You can find unique trees like the Bialbero di Casorzo, serene ponds such as the Madonna del Portone Pond, and protected areas like the WWF Oasis Villa Paolina, which includes meadows, woods, and an educational vegetable garden. The region is also known for its diverse landscapes, from river areas to hilly settings.
While Refrancore itself is a small municipality, its location in Piedmont provides access to a wide array of stunning natural landscapes. You can explore the extensive Protected Areas of the Piedmontese Po, which include various natural reserves showcasing river landscapes and bird migration corridors. Other notable regional attractions include Gran Paradiso National Park, Italy's oldest national park, and Val Grande National Park, known as the largest wilderness area in Italy. The Sacred Mountains of Piedmont, UNESCO World Heritage sites, also integrate natural beauty with historical elements.
Yes, there are several walking and running opportunities around Refrancore. For example, you can find various running loops, such as the 'Running loop from Castagnole Monferrato' or the 'Running loop from Monfallito'. These routes offer a chance to explore the natural surroundings. You can find more details on these and other running trails in the Running Trails around Refrancore guide.
The area around Refrancore is well-suited for cycling, with options for both road cycling and mountain biking. You can find moderate road cycling routes like 'The Hilltop Train Carriage – Mongardino Village loop from Rocchetta Tanaro-Cerro' or more challenging ones. For mountain biking, trails such as 'Montemagno Castle – Castello di Montemagno loop from Quattordio' are available. Explore more routes in the Road Cycling Routes around Refrancore and MTB Trails around Refrancore guides.
The best time to visit depends on the specific natural monument and your interests. For instance, the Bialbero di Casorzo is particularly spectacular in spring (between March and April) when the cherry tree blossoms. Generally, spring and autumn offer pleasant weather for outdoor activities and exploring the natural beauty of the Piedmont region. Summer can be warm, ideal for visiting sites with water features like the Madonna del Portone Pond or the Orrido di Sant'Anna further afield.
Yes, several natural attractions near Refrancore are suitable for families. The Bialbero di Casorzo is a unique and engaging sight for all ages, with a furnished area perfect for picnics. The Madonna del Portone Pond (Asti), with its fish and turtles, offers a quiet and enjoyable experience for children. The WWF Oasis Villa Paolina also provides educational opportunities with its apiary, pond, and educational vegetable garden.
Visitors appreciate the unique natural phenomena and the peaceful atmosphere. The Bialbero di Casorzo is often highlighted for its curious formation and seasonal beauty. The tranquility of places like the Madonna del Portone Pond (Asti), despite being close to urban areas, is also a favorite. The blend of natural beauty with historical elements, such as at the Paleontological Site Rest Area, also draws positive feedback.
Yes, the WWF Oasis Villa Paolina, part of the Natura 2000 Network, is a protected natural area focused on biodiversity conservation, making it a good spot for observing local flora and fauna. Further afield in the Piedmont region, areas like the Riserva Naturale del Torrente Orba are known for birds of prey, and Gran Paradiso National Park is famous for its ibex, chamois, foxes, marmots, and golden eagles.
The duration of your visit can vary. For individual sites like the Bialbero di Casorzo or the Madonna del Portone Pond (Asti), a short stop of 30 minutes to an hour might suffice. If you plan to have a picnic or explore the immediate surroundings, you could spend longer. For larger protected areas like the WWF Oasis Villa Paolina, or if you venture to regional parks like Gran Paradiso, you could easily spend half a day or even a full day hiking and exploring.
Specific parking information for each natural monument is best checked locally. However, sites like the Bialbero di Casorzo often have accessible areas for visitors, and the Paleontological Site Rest Area is designed for easy access. For larger regional parks, dedicated parking facilities are typically provided at visitor centers or trailheads.
Accessibility can vary by site. Many natural monuments, like the Bialbero di Casorzo, are generally accessible. The Paleontological Site Rest Area is designed with benches for resting. For specific accessibility needs, it's advisable to check details for each location. Some trails within larger parks might have varying levels of difficulty and terrain.


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