The peat layer in this bog can reach depths of up to several meters, having accumulated over thousands of years.
The bog is a classic example of a 'watershed' peat bog, where water is held in the organic sponge of mosses rather than a single basin.
It is home to the Round-leaved Sundew (Drosera rotundifolia), a carnivorous plant adapted to nutrient-poor bog soils.
The three small lakes present are actually secondary pools formed by irregular accumulation of peat layers.
The location remains one of the few places where the original, undisturbed Šumava mountain bog hydrology can be observed.
The site acts as a 'climate archive' where pollen grains and organic matter trapped in the peat provide data on the region's historical vegetation.
Tříjezerní slať is a high-altitude raised peat bog located within the Šumava National Park. The site features three distinct small lakes, from which it derives its name, integrated into a delicate ecosystem of water-logged moorland. Visitors navigate the area via a 250-meter-long wooden boardwalk elevated above the sensitive peat terrain. The bog is characterized by its high acidity and low nutrient levels, which host specialized flora such as sundew and various peat moss species. It serves as a significant watershed area for the Vydra river basin. The site is a protected natural monument intended to preserve unique post-glacial habitat conditions.
The central observation point on the wooden boardwalk, providing a panoramic view of the largest of the three pools.
Stay strictly on the wooden boardwalk to avoid damaging the fragile peat vegetation and sinking into the soft ground.
Bring binoculars for observing bog-specific bird species and alpine flora.
Visit during or shortly after rain to see the pools at their most reflective and vibrant.
Protect yourself from insects, as the marshy environment is a breeding ground for mosquitoes.
Attempting to step off the boardwalk, as the ground is unstable and ecologically sensitive.
Stay on marked trails, do not pick plants, keep dogs on a leash, and do not dispose of any waste.
