Tumba is a peak in the Belasica

Belasica

Belasica is a mountain range in the region of Macedonia in Southeastern Europe, shared by northwestern Greece , southeastern Republic of Macedonia and southwestern Bulgaria...

 mountains in the region of Macedonia

Macedonia (region)

Macedonia is a geographical and historical region of the Balkan peninsula in southeastern Europe. Its boundaries have changed considerably over time, but nowadays the region is considered to include parts of five Balkan countries: Greece, the Republic of Macedonia, Bulgaria, Albania, Serbia, as...

. The peak, 1880 metres (6,168 ft) in height, lies on Belasica's main ridge, west of Lozen Peak and east of Sechena Skala Peak. A dome-shaped mountain with steep southern and northern slopes, Tumba is covered with low subalpine

Subalpine

The subalpine zone is the biotic zone immediately below tree line around the world. Species that occur in this zone depend on the location of the zone on the Earth, for example, Snow Gum in Australia, or Subalpine Larch, Mountain Hemlock and Subalpine Fir in western North America.Trees in the...

 vegetation and is made of metamorphic rock

Metamorphic rock

Metamorphic rock is the transformation of an existing rock type, the protolith, in a process called metamorphism, which means "change in form". The protolith is subjected to heat and pressure causing profound physical and/or chemical change...

. Tumba is notable as the point where the national borders of Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

, Greece

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 and the Republic of Macedonia

Republic of Macedonia

Macedonia , officially the Republic of Macedonia , is a country located in the central Balkan peninsula in Southeast Europe. It is one of the successor states of the former Yugoslavia, from which it declared independence in 1991...

 meet. It is the southwesternmost point

Extreme points of Bulgaria

The extreme points of Bulgaria include the coordinates that are further north, south, east or west than any other location in Bulgaria; and the highest and the lowest elevations in the country. Also included in this list is the southern-most Bulgaria station in Antarctica...

 of Bulgaria and the southeasternmost point

Extreme points of the Republic of Macedonia

This is a list of the extreme points of the Republic of Macedonia: the points that are farther north, south, east or west than any other location, as well as the highest and lowest points....

 of the Republic of Macedonia.

In Bulgaria, favourable starting points of an ascent are the villages Klyuch

Klyuch

Klyuch , in Medieval Greek known as Kleidion and in Latin known as Clidium, is a village in south-westernmost Bulgaria, part of Petrich municipality, Blagoevgrad Province. It lies at , 455 metres above sea level...

, Skrat

Skrat, Blagoevgrad Province

Skrat, Blagoevgrad Province is a village in the municipality of Petrich, in Blagoevgrad Province, Bulgaria.-References:...

 and Gabrene

Gabrene

Gabrene is a village in the municipality of Petrich, in Blagoevgrad Province, Bulgaria.-References:...

. In the Republic of Macedonia, these are Smolari and Sharena Cheshma. Every August since 2001, an international excursion to the peak is organized under the motto "Balkans

Balkans

The Balkans is a geopolitical and cultural region of southeastern Europe...

Without Borders".

External links

• Travel notes of a Tumba ascent by Yoana Yancheva