High-Altitude Mirrors: Guide to the Alpine Lakes of Madonna di Campiglio

Water is the element that silently shapes the landscape of the Parco Naturale Adamello Brenta. Around Madonna di Campiglio, the complex geology of the territory creates a fascinating contrast: on one side, the sedimentary rocks of the Dolomiti di Brenta, where water tends to sink into the karst landscape; on the other, the crystalline massif of the Presanella, whose impermeable tonalite rocks (the local granite) retain meltwater and precipitation, giving life to a constellation of alpine lakes of glacial origin.

Exploring these high-altitude mirrors means walking through the geological history of the Alps, observing how the ice carved the basins that today host these reserves of pure water.

The famous Giro dei 5 Laghi

The most well-known hiking itinerary in the area is undoubtedly the Giro dei 5 Laghi. It is a loop trail that develops on the right orographic side of the Val Rendena, offering an exceptional viewpoint of the Brenta spires rising on the opposite side of the valley.

The five lakes that give their name to this classic excursion are, in the order they are encountered starting from the highest altitudes and proceeding northwards:

• Lago Ritorto: a large body of water surrounded by stony pastures, whose dark waters reflect the Dolomite peaks on the horizon.
• Lago Lambin: set in a narrow rocky basin, with irregular shores and a severe, typically high-mountain atmosphere.
• Lago Serodoli: vast and deep, located in a lunar environment where the tree vegetation leaves room only for mosses and lichens.
• Lago Gelato: situated just above the Serodoli, it takes its name from the temperature of its waters and the presence of ice that, in some years, lingers along the shores well beyond the beginning of summer.
• Lago Nambino: the last stop, surrounded by the forest, which closes the crown of the five basins.

The Lago Nero variant

Along the way, hikers attentive to cartography will notice a detour near Lago Serodoli. By following the trail, it is possible to quickly reach Lago Nero. Although it is in the same hydrographic basin and shares the same glacial origin, Lago Nero should be considered a panoramic variant or an addition to the itinerary, and is not part of the traditional count of the Giro dei 5 Laghi. The detour is worth the effort for the particularly dark color of its waters, due to the nature of the seabed and the reflections of the overlying granite cliffs.

Lago Nambino: the jewel at 1768 meters

While the highest lakes of the tour require a certain hiking effort and are located in a severe environment, Lago Nambino (situated at an altitude of 1768 m) offers a transitional landscape. Here, the tree line plays a fundamental role: the shores are embraced by dense coniferous forests, creating a natural shelter from high-altitude winds.

A characteristic detail of the Nambino is its main tributary, which flows down forming small waterfalls among the roots of larches and firs, creating a natural soundtrack that accompanies the arrival on its shores. It is also a popular destination as a standalone excursion, reachable via a trail that winds through the woods starting from the Piana di Nambino, proving to be an excellent observation point for alpine flora and, with a little silence, the local wildlife.

Lago di Valagola: the exception in the Val Brenta

If most of the lake basins of Campiglio are located on the granite slopes of the Presanella, there is a notable exception that deserves attention. Moving to the opposite slope, within the suggestive Val Brenta, you will find Lago di Valagola.

This body of water is a geographical rarity: a lake set among the Dolomite rocks, where the karst nature of the terrain usually prevents the formation of surface basins. Lago di Valagola survives thanks to a seabed made impermeable by morainic and clayey deposits. Surrounded by a dense spruce forest and dominated by the peaks of the Crozzon di Brenta and Cima Tosa, it offers reflections that change intensely depending on the angle of the sun, shifting from emerald green to cobalt blue. The surrounding environment is a precious habitat for the wildlife of the Parco Naturale Adamello Brenta, which is why the utmost acoustic and environmental respect is required during the visit.

Rules for the explorer

Alpine lakes are extremely fragile ecosystems. Water at these altitudes has slow turnover times and rigid temperatures, making flora and aquatic microfauna particularly vulnerable to external agents. During the visit, it is essential to avoid introducing foreign substances into the water and not to disturb the amphibians that populate the shores.

Furthermore, high-mountain conditions change rapidly. Before embarking on the Giro dei 5 Laghi or individual excursions to Valagola or Nambino, it is advisable to check the trail conditions with alpine guides or the relevant offices, check local weather forecasts, and verify the opening hours of the ski lifts, should you decide to use them to approach the starting altitude. The alpine environment offers unforgettable views to those who know how to approach it with preparation and awareness.