Pirin National Park

Listen first. Somewhere below you, water runs over pale stone, cold and quick. The air smells of pine resin and wet granite. Higher up there is only wind, moving through dwarf pine and across bare rock. The light here is sharp and clean, and the shadows of clouds slide across whole mountainsides in a few seconds. Welcome to Pirin, a mountain range in southwestern Bulgaria. Its protected heart is one of the wildest places in this corner of Europe.

Pirin National Park lies south and east of Blagoevgrad, the regional centre that gives this province its name. From the city, the road follows the valley of the Struma River. Then it climbs toward the towns of Razlog and Bansko, which sit at the northern foot of the range. Bansko is the gateway most visitors use. From there, a road winds up through forest toward the mountain huts. Within minutes, the town falls away and the peaks take over the view.

The park was first protected in 1962, under a different name. It was called Vihren, after the range's highest summit. Later it took the name of the whole mountain. In 1983, UNESCO added Pirin to its World Heritage List. UNESCO is the United Nations body that recognises places of outstanding value to all of humanity. The protected area was extended in 2010. The reason for this recognition is all around you. It is a high mountain landscape shaped by ice, with forests and wildlife that have survived here for a very long time.

Look up toward the tallest summit, and you are looking at Vihren. It rises to 2,914 metres. That makes it the second highest peak in Bulgaria, after Musala in the nearby Rila Mountains. It is also among the highest summits in the whole Balkan Peninsula. Here is the first surprise. Vihren is not built of the dark granite you see across much of Pirin. Its upper slopes are pale marble. On a bright day, the peak can look almost white, even in high summer when the snow has gone.

That contrast between rocks shapes everything here. In the northern part of the range, marble and limestone create grey, sharp ridges with scree and sinkholes. Elsewhere, granite forms rounder, darker shapes. Water behaves differently on each. On limestone, streams can vanish underground and appear again lower down. On granite, the water stays on the surface. It fills hollows and creates the lakes that make Pirin famous among hikers. As you walk, notice the colour of the stones under your feet change.

Those lakes are the work of glaciers. During the last ice age, rivers of ice filled these valleys. They carved deep bowls, called cirques, into the mountainsides. When the ice melted, water collected in the bowls. Today Pirin holds well over a hundred glacial lakes. Many sit in chains, one above another, linked by short streams and waterfalls. Their colours range from deep blue to green to almost black, depending on depth, light and the rock beneath. Some stay partly frozen into early summer.

Now a second surprise, and this one is alive. Not far from the Banderitsa hut, above Bansko, grows a single tree that people travel specifically to see. It is called Baikushev's pine. It is a Bosnian pine, a species that grips limestone slopes in the high Balkans. Scientists estimate its age at well over a thousand years. Its trunk is thick, twisted and scarred by lightning and weather. Standing beside it, you are close to one of the oldest living things in Bulgaria.

The forests themselves change as you climb. Lower down there are beech and spruce. Higher up are Macedonian pine and Bosnian pine, both trees of the Balkan mountains. Above the treeline, dwarf mountain pine spreads in low, tangled carpets. These thickets are very hard to walk through, so stay on the marked paths. In summer, the high meadows fill with wildflowers. Some plants grow nowhere else on Earth except Pirin. Edelweiss also grows here, on rocky ledges, but picking any flowers in the park is forbidden.

The animals are harder to see, but they are here. Brown bears live in the forests, along with wolves and wild boar. On the high rocky slopes, watch for chamois. These are agile mountain goat-antelopes, with short hooked horns, that move easily across ground where people would need ropes. Golden eagles sometimes ride the air currents above the ridges. Most visitors never see a bear, and that is a good thing. Make some noise on forest paths, and keep food packed away.

Where does the name Pirin come from? Nobody knows for certain. One popular explanation links it to Perun, the old Slavic god of thunder and lightning. According to this tradition, the highest peaks were his home. It is folklore, not proven history, but it is easy to understand. Storms build fast over these summits on summer afternoons. Thunder rolls between the ridges for a long time. Locals say that if you hear it, you should already be heading down.

For experienced hikers, one route has a special reputation. It is called Koncheto, which means little horse. It is a narrow ridge of rock, a knife edge with steep drops on both sides. A steel cable helps walkers along the most exposed part. It is not for everyone, and it is no place to be in fog, wind or rain. But even from below, you can see its thin line against the sky. It shows how the ice sharpened these mountains between the valleys.

Pirin is also a place where people argue about the future. Ski runs and lifts above Bansko sit close to the protected area. Plans to expand them have caused strong public debate in Bulgaria for many years. Conservation groups and local businesses often disagree. Many Bulgarians care deeply about these mountains. For them, Pirin is not only scenery. It is part of national identity, and a test of how the country balances tourism, income and wild land.

Before you move on, stand still for a moment. Feel how the temperature drops when a cloud covers the sun. Listen for running water, for wind in the pines, maybe for a bell from sheep grazing far below. Look at the line where the forest stops and bare rock begins. Ice drew that line, long before any road or hut existed. When you walk back down, the trees will close in again. The mountain will stay just as it is, under the same wide sky.