Oceán

Oceán is a nature reserve in the Karlovy Vary Region, tucked away in the Ore Mountains (Krušné hory) between the villages of Pernink, Merklín, and Nejdek. Established in 1969, it covers roughly 43 hectares. Despite its watery name, the reserve does not contain a sea — instead, it protects a vast raised peatbog whose rolling carpet of moss stretches like an ocean through the surrounding waterlogged spruce forest.

Where exactly is Oceán located?

The reserve lies about 1.7 km south of Pernink, close to the Dračí skála peak (952.6 m), and roughly 700 meters northwest of the settlement of Oldřichov u Nejdku. It occupies a remote corner of the Ore Mountains, reachable via forest paths that wind through the spruce stands surrounding the bog.

What makes this peatbog so special?

At the heart of the reserve lies an almost undisturbed mountain raised bog of the valley type. The underlying bedrock is a granite of the so-called Loket type, a mountain-range granite typical of this part of the region. Across the surface of the bog grows the vegetation typical of such habitats: dwarf pine, thick mats of sphagnum moss, and other moss species that have built up the peat deposits here over thousands of years.

The bog is home to rare and protected plant species. Round-leaved sundew, a carnivorous plant adapted to the poor, acidic conditions of peatlands, grows here abundantly, alongside black crowberry and bog bilberry. The presence of these species underlines the exceptional ecological value of a habitat that survives in such good condition in relatively few places today.

How does Oceán fit into the wider landscape?

Oceán is not an isolated phenomenon — it forms part of a larger complex of peatbogs that make up the ecological core of the Ore Mountains wetlands. Nearby lie other valuable protected areas, including the Malé jeřábí jezero nature reserve and the buffer zones of the Rolavská vrchoviště National Nature Reserve, as well as sites recognized under the Ramsar Convention on wetlands of international importance. Together, these areas form a mosaic of habitats that is essential for preserving the biodiversity of the wider Krušné hory region.

What threats does the peatbog face?

One of the main challenges facing the reserve is drainage along its margins, a legacy of past drainage ditches dug in the surrounding land. This has lowered the water table within the bog, threatening the delicate hydrological balance that the peatland vegetation depends on. In response, the Karlovy Vary Region is planning restoration measures, including blocking the existing drainage channels, in order to restore natural water levels and halt further degradation of the peatbog.

Is Oceán worth visiting?

Oceán appeals to those who love wild nature and quiet, little-visited corners of the mountains rather than developed tourist infrastructure. It is a destination for visitors who enjoy walking forest paths through waterlogged spruce woods and want to see a rare peatland habitat in an almost untouched state. The surrounding area also offers further hiking opportunities toward the nearby Dračí skála peak and other nature reserves scattered across the Ore Mountains.

Frequently asked questions

When was the Oceán reserve established? The reserve was established in 1969 and covers an area of about 43 hectares.

What plants can be found here? Characteristic species include dwarf pine, sphagnum mosses, round-leaved sundew, black crowberry, and bog bilberry.

Is the peatbog under threat? Yes, a lowered water table caused by historic drainage is a challenge, and restoration measures are being planned to address it.

Where exactly is Oceán located? Between the villages of Pernink, Merklín, and Nejdek, near the Dračí skála peak in the Ore Mountains.