Best natural monuments around Saint-Romain-En-Jarez are found within the scenic Monts du Lyonnais region, offering diverse natural features and hiking opportunities. This area, nestled in the Loire department of France, is characterized by its elevated southern foothills, verdant hills, and varied landscapes. Visitors can explore a network of marked trails, discover significant natural spots, and enjoy panoramic views over the surrounding valleys. The region provides numerous balades naturelles Saint-Romain-En-Jarez, suitable for outdoor activities.
Last updated: May 7, 2026
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Landscaped summit (accessible on foot) commemorating the locations of the geographer César-François Cassini de Thury between 1758 and 1761.
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The Roches de Marlin, also called “Devil’s Stones”, are located at an altitude of 1,370 meters and offer a breathtaking view of the Gier valley. At the origin of very ancient and mysterious stories, they are one of the best-known megalithic sites in the Pilat region.
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The Signal de Saint André, at an altitude of 934m, is one of the highest points of the Monts du Lyonnais. At the top, accessible on foot via a small path, a belvedere allows you to enjoy a view overlooking the Valley.
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The Crêt Malherbe is the highest point of the Monts du Lyonnais with an altitude of 943 meters (only 934 meters for the Signal de Saint André).
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Magnificent little village in the Monts du Lyonnais, with a splendid fountain engraved with very fresh water, a pretty castle, and a church that has nothing to envy.
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The region is primarily defined by the expansive Pilat Regional Natural Park, which offers diverse landscapes. Key natural features include the panoramic views from summits like Le Signal de Saint André and Crêt Malherbe – Highest point of the Monts du Lyonnais. You can also discover the unique rock formations of Les Roches de Marlin and the picturesque valley of the Gorges du Dorlay.
Yes, the area offers several options suitable for families. The general trails within the Pilat Regional Natural Park provide varying levels of difficulty, many of which are gentle enough for family walks. Additionally, the site of Châtelus Castle and Virgin's Fountain is categorized as family-friendly, combining natural beauty with historical interest.
The region around Saint-Romain-en-Jarez is excellent for various outdoor activities. You can find numerous routes for hiking, including easy and moderate trails through forests and along rivers. There are also options for gravel biking and running, allowing you to explore the diverse landscapes of the Pilat Regional Natural Park.
For breathtaking vistas, head to the summits. Le Signal de Saint André offers a belvedere with views overlooking the valley. Crêt Malherbe, the highest point of the Monts du Lyonnais, provides extensive panoramic views on clear days. Les Roches de Marlin also provides a stunning view of the Gier valley.
Yes, the region blends natural beauty with rich heritage. Le Signal de Saint André is not only a natural summit but also a historical site commemorating the work of geographer César-François Cassini de Thury. The Roches de Marlin are known as a megalithic site with ancient stories. Additionally, the Châtelus Castle and Virgin's Fountain highlight the cultural aspects within the natural setting.
The Pilat Regional Natural Park and its surrounding natural monuments are beautiful year-round. Spring brings lush greenery and wildflowers, while autumn offers vibrant foliage. Summer is ideal for longer hikes and outdoor activities. Even winter can be picturesque, with snow-covered landscapes, though some higher trails might require appropriate gear.
The duration of your visit depends on your interests. You could spend a few hours hiking to a single summit like Le Signal de Saint André or Crêt Malherbe. To fully appreciate the diverse ecosystems of the Pilat Regional Natural Park and explore multiple sites like the Gorges du Dorlay and Les Roches de Marlin, consider dedicating a full day or even a weekend.
Yes, within the extensive network of trails in the Pilat Regional Natural Park, you can find easy routes. For example, the hiking guide for Saint-Romain-en-Jarez lists easy options like the 'Breathtaking view of Chagnon – Chagnon Church loop' or 'View of the Valley loop from Chagnon', which are perfect for beginners or a leisurely stroll.
The diverse ecosystems of the Pilat Regional Natural Park, including its forests, meadows, and heathlands, support various wildlife. Visitors may spot deer, wild boar, and numerous bird species, especially in quieter areas and during dawn or dusk. Keep an eye out for local fauna while exploring the trails.
Visitors frequently appreciate the stunning panoramic views from the high points, such as Le Signal de Saint André and Crêt Malherbe. The unique geological formations of Les Roches de Marlin and the tranquility of the Gorges du Dorlay are also highly valued. The overall experience of connecting with nature through the extensive trail network within the Pilat Regional Natural Park is a major draw.
While Saint-Romain-en-Jarez itself is a small commune, access to the broader Pilat Regional Natural Park and its natural monuments is generally easier by car. Public transport options might be limited to certain villages or towns within the park, requiring further travel or hiking to reach specific natural sites. It's advisable to check local transport schedules if you plan to rely on public transit.
Beyond the well-known summits and rock formations, the Pilat Regional Natural Park is full of smaller, less-trafficked areas. Exploring the numerous trails along the Dorlay river in the Gorges du Dorlay can reveal picturesque spots and remnants of the area's industrial past, offering a unique blend of natural beauty and history away from the main viewpoints.


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