Tour of the Ayous Lakes

This hike is considered difficult and exacting, requiring very good physical condition and sure-footedness. It involves significant elevation gain and varied terrain, often described as 'rompepiernas' (leg-breaking) due to its alternating ascents and descents. While paths are generally clear, they can be demanding.

The trail typically starts from the Astún ski resort area. You can find parking available there. From Astún, a tourist chairlift (Telesilla de Truchas) operates in the summer, which can help you skip the initial 420 meters of ascent.

The route is renowned for its stunning glacial lakes and panoramic views of the Pic du Midi d'Ossau. You'll pass by several beautiful lakes, including Ibón del Escalar, Lac Castérau, Lac Bersau, Lac du Miey, Lac Roumassot, and Lac Gentau. The trail also crosses the Col des Moines, a border pass between Spain and France, and offers views of the Ossau Valley.

Yes, dogs are generally allowed on this trail. However, as parts of the route are within the Pyrenees National Park, it's crucial to keep your dog on a leash to protect local wildlife and livestock, especially around grazing horses and cows.

The best time to hike this trail is typically from late spring to early autumn (June to September) when the weather is most stable and the snow has melted from higher elevations. Summer offers the warmest temperatures, but also more crowds. Always check local weather conditions before you go.

No specific hiking permit or entrance fee is required for this trail. However, as it passes through the Pyrenees National Park, hikers are expected to respect park regulations, which include staying on marked paths, not disturbing wildlife, and packing out all trash.

Yes, located by Lac Gentau, the Refuge d'Ayous offers a place for hikers to rest, purchase food and drinks, use facilities, and even provides options for overnight stays or bivouacking.

Yes, the route intersects with several other paths. You will find sections that are part of the Voie d'Ossau, Étape 11, Sentier du Tour des Lacs d'Ayous PNP, and La traversée des Pyrénées - sec.7, among others.

Given its 'difficult' rating, significant length (nearly 19 km), and substantial elevation gain (over 1100m), this full circular route is generally not recommended for young children or families seeking an easy outing. However, the option to use the chairlift from Astún can reduce the initial strenuousness, and shorter sections around the lakes might be accessible for older, experienced children.

For this demanding hike, pack essentials like plenty of water, high-energy snacks, appropriate layers of clothing for varied weather (even in summer), waterproof gear, sturdy hiking boots, sun protection, a first-aid kit, and a map or GPS device. Trekking poles are highly recommended for the varied terrain.

The terrain is highly varied and demanding. You'll encounter deep green grassy sections, areas with red rocks, and move through both forested parts and open valleys. The paths are generally clear but can be steep and rocky, requiring good footing. You'll also cross the Col des Moines, a mountain pass.