Gessi Bolognesi Caves and Calanchi Loop

The tour starts and ends in Rastignano. Specific parking information for the trailhead is not detailed, but Rastignano serves as the primary access point for this route. Public transport options to Rastignano are also available.

This ring tour is considered difficult. It spans approximately 18.1 kilometers (11.2 miles) with an elevation gain of about 560 meters (1,837 feet). It typically takes around 5 hours and 25 minutes to complete, requiring good physical fitness and sure-footedness.

The trail features varied terrain, including natural paths, asphalt, unpaved sections, paved areas, and dirt roads. You'll encounter rolling hills, some steeper dirt tracks, and distinctive gypsum outcrops and karstic environments. The 'calanchi' (badlands) sections are rugged and can be slippery, so sturdy trekking boots with good grip are essential.

The route takes you through the unique landscape of the Parco dei Gessi Bolognesi e Calanchi dell'Abbadessa, a UNESCO World Heritage site. You'll see dramatic gypsum outcrops, sinkholes, and caves like Farneto Cave, Spipola Cave, and Buca dei Vinchi Cave. The Calanchi dell'Abbadessa offer peculiar, moon-like landscapes, and you'll also pass by The Budriolo Sinkhole. Expect panoramic views of the valley, hills, and distant Bologna skyline.

While the park generally allows dogs, it's important to keep them on a leash, especially due to the varied terrain, potential wildlife, and the presence of protected areas. Always ensure your dog is well-behaved and that you clean up after them.

Spring and autumn are generally the best seasons for this hike, offering pleasant temperatures and vibrant scenery. Summer can be hot, especially in exposed 'calanchi' sections, so an early start is advisable. Winter hiking is possible but requires extra caution due to potentially slippery conditions on certain terrains.

Generally, there are no entrance fees or specific permits required for hiking the trails within the Parco dei Gessi Bolognesi e Calanchi dell'Abbadessa. However, always check the official park website for any updated regulations or specific requirements for guided cave visits or special activities.

Given the difficult rating and varied terrain, sturdy trekking or hiking boots with good grip are crucial. It's advisable to dress in layers, bring a windbreaker, long trousers, a sweatshirt, and a change of clothing. Adequate hydration (at least 1.5 liters of water) and sun protection (hat, sunscreen) are also highly recommended due to exposed sections.

Yes, this route shares sections with several other official trails, including a significant portion of Il Cammino di Sant'Antonio (Tappa 9 and Tappa 8), Percorso CAI 817, and Percorso CAI 804. You may also encounter parts of the Bologna-Pianoro and Ciclovia dei Gessi di Gaibola.

Rastignano, as a starting point, offers some local amenities. You can typically find cafes, pubs, and restaurants in the town where you can refuel before or after your hike. It's a good idea to check local listings for current operating hours.