Fosso bianco, Val D Orcia Travel Guide

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Discover the stunning 'White Whale' and therapeutic hot springs in Tuscany's hidden gem, Bagni San Filippo.

Fosso Bianco, nestled in Bagni San Filippo, is a natural thermal park in Tuscany, Italy, known for its stunning calcium carbonate formations and therapeutic hot springs. The 'White Whale' (Balena Bianca) is a highlight, offering a unique and relaxing experience in nature.

A brief summary to Fosso bianco

Via S. Filippo, Bagni San Filippo, Province of Siena, 53023, IT
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From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Fosso bianco.

Arrive early in the morning or later in the evening to avoid crowds, especially during peak season.
Bring water, snacks, and a towel, as there are limited facilities at the springs.
Wear appropriate footwear like sneakers or hiking sandals, as the path to the springs can be steep and muddy.
Be prepared to change discreetly, as there are no changing rooms available.
Avoid climbing on the Balena Bianca to preserve the delicate formations.

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Explore Fosso bianco on the Map

A handpicked selection of must-see spots near Fosso bianco, mapped for you.

Getting There

Car

The most convenient way to reach Fosso Bianco is by car. From the A1 highway, take the Chiusi-Chianciano Terme exit and follow the signs to Bagni San Filippo. Once in the village, follow Via Fosso Bianco to the parking area near the trailhead. Paid parking is available along Via Fosso Bianco and costs €1.50/hour from 8 AM to 8 PM between March 15th and October 31st. From November 1st to March 14th, paid parking is in effect from 8 AM to 5 PM.
Public Transport

To reach Bagni San Filippo by public transport, take a train to Chiusi-Chianciano Terme station from Florence or Rome. From there, take a bus towards Santa Fiora or a taxi to Bagni San Filippo. The bus journey involves multiple transfers and takes approximately 2 hours and 40 minutes. A taxi ride from the train station to Bagni San Filippo will cost approximately €50-€70.
Walking

From the parking area on Via Fosso Bianco, the trail to Fosso Bianco (Sentiero Fosso Bianco) starts near Bar La Cascata. Follow the well-marked path downhill for about 5-10 minutes, crossing a small wooden bridge. Continue along the path to reach the various pools and the Balena Bianca. Note that there is a €2 entrance fee to access the main area with the famous baths.

Discover more about Fosso bianco

Fosso Bianco, also known as Bagni San Filippo, is a captivating natural thermal area in the heart of Tuscany. Located in the Val d'Orcia region, near the village of Bagni San Filippo, these hot springs have been attracting visitors since Roman times. The area is characterized by its unique calcium carbonate formations, created over centuries by the mineral-rich waters.The most iconic formation is the 'Balena Bianca' (White Whale), a massive white cascade resembling a whale's back. The thermal waters, which emerge from the ground at approximately 48°C (118°F), flow over this formation, creating a visually stunning and soothing experience. The contrast between the white mineral deposits and the surrounding green forest is particularly striking.Visitors can soak in the various pools and streams, enjoying the therapeutic benefits of the mineral-rich waters. The water is said to help relax muscles, improve circulation, and soothe joint pain. The pools vary in temperature, with the hottest waters near the source and cooler options further downstream. Many also enjoy applying the mineral-rich mud to their skin for its softening effects.While the site is natural and undeveloped, a trail runs alongside the Fosso Bianco, providing easy access to the various pools and formations. It's recommended to wear appropriate footwear as the path can be steep, uneven and muddy.