Mont Musala © stoyanh - Shutterstock.com.jpg
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The alternation between reliefs and plains

If you arrive in Bulgaria in Sofia, you will immediately notice that the city is surrounded by mountains. In the south, the Vitosha is a beautiful mountain where city dwellers like to come to walk and relax on weekends. To get to the Danube plain, which occupies 30% of the territory, you will have to pass through a part of the Balkan chain. On the other side, surprise! These mountains, which the Bulgarians call Stara Planina, the "old mountain", are disappearing little by little, giving way to vast expanses. But you will not fail to cross on your road the rock formations of Belgradchik, where the hike offers pretty points of view. The Danube plain is composed of limestone plateaus and river terraces that descend in steps to the Danube. You will meet long valleys like those of Iskar, Vit or Lom. This alternation between plain and relief continues when you leave the Balkans to go towards the Black Sea, or to the southeast, before falling back into the Rhodopes and the two natural parks of Rila and Pirin, to the southwest.

The unavoidable summits

Bulgaria is not bad at high peaks. Mount Musala is the highest. It reaches 2,925 m and is located near Borovets, in Rila (or Pirin). The municipality is a very attractive place for winter sports. The ski resort is one of the biggest. It starts at 1350 m and has slopes up to 2560 m. The ski resort of Bansko in Rila is also very popular, with a difference of slopes between 925 m and 2 600 m. You should see, especially in the winter period, many advertisements on the high roadside signs praising Pamporovo as a winter destination par excellence. And they are not wrong. If there is no snow in season, artificial snow covers the slopes between 1,650 and 1,957 meters. In Chepelane, four trails culminating at 1,873 m will satisfy all members of the family. Outside of the winter season, there are many beautiful hikes in these mountains.

Few mighty rivers but some splendid lakes

The most majestic river in Bulgaria is of course the Danube, which is a natural border with Romania. By the way, to get to either country, river ferries often make the round trip in a few minutes. You can take a boat from Oryahovo in the northwest or Svichtov in the center. In Russe, a bridge crosses the river directly. That's why many Romanians often go back and forth to spend a weekend day in the city or vice versa. When you are in the northeast of Bulgaria, you don't need to cross the Danube to get to Romania.

Apart from the Danube, there are many rivers that cross the country and all of them have the same characteristic: they are quite small in length, as almost all of them have their source in Bulgaria and the territory of the country is not very big. Among those with the largest flow, the Maritza flows from Bulgaria into Turkey and flows into the Aegean Sea after passing through Plovdiv, Stara Zagora and Svilengrad. The Strouma, 290 km long, has its source in the southwest of Vitosha and continues its journey in Greece. The Iskar is the only river that flows only in Bulgaria, for 368 km, taking its source in the Rila and flowing into the Danube.

The rivers feed the lakes and dams, most of them artificial, like the beautiful lake of Batak, in the Rhodopes, not far from Velingrad, Vatcha, Stouden Kladenets, or the one of Ticha in the center. The largest natural lake of the country is the lake of Bourgas (Dam Bourgas) which is in direct connection with the Black Sea. It is an exceptional ornithological reserve. You will observe a great diversity of birds.

In Bulgaria, there are more than 1,600 drinking water springs and almost 600 different mineral waters, most of them located in the mountains in the center and southwest of the country. You can enjoy spas in the main spa towns of Hissarya, Sapareva Banya, Sofia, Bankya, Velingrad, Sandanski, Stara Zagora, Naretchen, Sliven, Haskovo, Kyoustendil, Varchets... The Sapareva Banya spring is the only geyser in Bulgaria. The water gushes out at 103,8 °C!

The gorges and caves dug by the water

Although not very abundant, the rivers have carved out splendid caves and caverns in the rock, which can be seen all over the landscape. The Ledenilzu gorge, near Vratsa, is remarkable. The Magina Gorge, near Belogradchik, is no less impressive. In the Rhodopes, the Trigad gorge is exceptional. Not to be missed are the canyons along the Roussenski Lom river, the Kruchouna waterfalls near Letnitsa and the gorges of the Iskar river.

There are more than 5 000 caves in Bulgaria. The deepest is 415 m and the longest is about 20 km. Nine caves are equipped and open to the public. They are Ledenika, Magourata and Saeva Doupka, Batcho Kiro and Orlova Tchouka in the North and the Center, Snejanka, Yagodinskata, Dyavolskoto Garlo and Ouhlovitsa in the Rhodopes.

For those who like caving, it should be said that even if the caves in Bulgaria are not very deep, they are extremely difficult. For example, to enter and exit the second deepest one, Barki 14, it takes more than 30 hours. Therefore, if you want to go caving, it is better to go with a caving club or an adventure agency.

The Black Sea coast, between cliffs and valleys

On the Black Sea, an inland sea shared by Bulgaria, Turkey, Georgia, Romania, Ukraine and Russia, the coast is not as easy to reach as one would like, except in Varna and Bourgas, the two main cities on the plain. In this case, there are small cliffs. There are about 130 beautiful sandy beaches. In summer the water is quite warm, reaching 28°C.