Sarajevo Tunnel

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Sarajevo tunnel
The tunnel's south entrance, in free territory
The tunnel's north entrance, within the territory under siege

The Sarajevo Tunnel was constructed between May 1992 and November 1995, during the Siege of Sarajevo in the midst of the Bosnian War. It was built by the Bosnian Army in order to link the city of Sarajevo, which was entirely cut off by Serbian forces, with Bosnian-held territory on the other side of the Sarajevo Airport, an area controlled by the United Nations. The tunnel linked the Sarajevo neighbourhoods of Dobrinja and Butmir, allowing food, war supplies, and humanitarian aid to come into the city, and people to get out. The tunnel became a major way of bypassing the international arms embargo and providing the city defenders with weaponry.


Construction of the tunnel began in secret on 1 March 1993 under the codename “Objekt BD".[1] The tunnel was to link Butmir and Dobrinja,[1] two Bosnia-held neighbourhoods, one inside Serbian siege lines and the other outside.[2] Nedžad Branković, a Bosnian civil engineer, created the plans for the tunnel’s construction underneath the Sarajevo airport runway. However, because of the urgency of the construction, full costing and technical specifications were never made.[1]

The construction was assigned to the First Corps Army of Bosnia-Herzegovina, under the supervision of deputy commander General Rašid Zorlak.[1] Beginning the project was difficult as there was a lack of skilled manpower, tools, and material to complete the task.[1] Consequently, the tunnel was dug by hand, with shovel and pick, and wheelbarrows used to carry 1,200 cubic metres [1] of detritus away.[3] The tunnel was dug 24-hours a day, with workers working in 8-hour shifts,[3] digging from opposite ends.[1] Its construction was financed by the State, the Army, and the City of Sarajevo.[1] The workers were paid with one packet of cigarettes per day, an item that was in high demand and a prized bartering possession.[4]

A total of 2,800 square metres of soil was removed. 170 square metres of wood, and 45 tons of steel were used in the construction of the tunnel.[5] The biggest technical problem was the underground water, that had to be frequently thrown out manually.[5] Because of the permanent shelling, the tunnel was installed with a pipe-line that was used for the delivery of oil for the town. Mail-a cables were also installed, and electro-cables donated by Germany were placed so that Sarajevo had electricity and telephone lines connecting it with the world.[5]

The construction of the tunnel was completed on 30 June 1993, when the two tunnels met in the middle. Use of the tunnel began the following day on 1 July 1993.[1]


The tunnel consists of 160 metres of covered trenches on the Dobrinja side, 340 metres of covered trenches on the Butmir side, and 340 metres of actual tunnel under the airport runway.[1] On the Dobrinja side, the average height of the tunnel is 1.6 metres (excluding the height of the iron reinforcements) and averages 0.8 metres in width for the top half and 1 metre in width for the bottom half of the tunnel.[1] On the Butmir side, the tunnel is slightly higher, 1.8 metres, excluding the wood reinforcements. The width on the Butmir side is the same as that of the Dobrinja side.[1] There is also a section called the ‘reduced level entrance’, a 30 metre portion on the Dobringja side that was the deepest and most difficult stretch of the tunnel to construct.[1] At its deepest point, the tunnel is 5m below the airport runway.[4]

The entrance on the Dobrinja side was the garage of an apartment building.[6] The entrance on the Butmir side was a nondescript house near the airport belonging to the Kolar family.[4] Both entrances were under close guard and ringed by trenches manned by Bosnian troops.[4]

At first the tunnel was a simple, muddy path, through which supplies had to be carried by hand or on the backs of soldiers.[2] Less than a year after it was created, however, a small railway track was laid and small carts were built to transport supplies through the tunnel.[6] The final construction of the tunnel included a 12-megawatt voltage cable,[6] pumps for pumping underground water, an oil pipe, and permanent lighting.[1]

There were two major problems with the tunnel. The first was flooding by underground waters which could rise to waist deep.[1] The second was air quality. The tunnel had no ventilation and consequently, everyone entering the tunnel was forced to wear a mask.[2]


The tunnel was constructed during the Bosnian War as a means by which to link two Bosniak held territories that had been cut off by the Army of Republika Srpska. The tunnel provided a crude way to supply Bosniak, Pakistani, and UN units in Sarajevo. It also allowed for communication between the Bosniak and Bosniak-allied forces in Sarajevo and outside territories.[1] It became a symbol of the city’s struggle.[7] It allowed humanitarian aid to be given to the Bosniaks and it let them flee the city.[7]

The tunnel was used to supply the Bosniak armed forces with wartime supplies, including food, fuel, newspapers, and weapons.[3] Wagons were used to cart supplies through the tunnel and could be loaded with 400 kilograms of goods at a time.[4] The first items to go through the tunnel were Bosniak IEDs.[4] Food,[1] cigarettes,[1] alcohol,[4] and petrol[4] also passed through the tunnel allowing Butmir, Konoija, and Hrasnica to become blackmarket centres for the illegal sale of these items.[1] The tunnel was also used to transport oil and for telecommunication.[6]

The tunnel was used as a way for Bosniaks and UN forces to get out of Sarajevo. Transit each way, both into the city and out of the city, was constant. Every day, between 3000 and 4,000 Bosniak and UN soldiers (as well as civilians) and 30 tons of various goods passed through the tunnel.[4] Groups travelling through the tunnel ranged in size from 20 to 1,000 people.[4] On average, it took 2 hours for these groups to travel through the tunnel.[4] Throughout the war, between two million and three million Bosniaks and UN soldiers passed through the tunnel, and approximately 400,000 Bosniaks used the tunnel to flee Sarajevo.[6] Those who traveled through the tunnel included soldiers, civilians, politicians, and generals. Alija Izetbegović, President of the first Bosniak country in existence (the Republic of Bosnia and Herzegovina),[3] is the most notable individual who used the tunnel. He was carried through the tunnel on a chair called the "President's Chair" and thus never actually laid foot in the tunnel.[8]

The entrance to the tunnel was protected by the Bosniak army and a permit was required to enter and leave the city by this underground route.[4] There were reports of Muslim civilians being forced to pay up to $120 USD to the Bosniak army for passage for themselves and their families through the tunnel.[2]

Sarajevo Tunnel Museum[edit]

The house in which the tunnel's northern entrance was hidden is now a museum

After the war, The Sarajevo Tunnel Museum was built onto the historic private house whose cellar served as the entrance to the Sarajevo Tunnel. Visitors can still walk down a small length of the tunnel (approximately 20 metres). The "house" museum exhibits archival materials including an 18-minute long movie, war photographs, military equipment, flags, military uniforms, flotsam and jetsam.[5][9] In 2004, local planning authorities were seeking funding for a "full reconstruction of the tunnel" and the "construction of museum buildings at its entrance and exit points".[10]

Regarding the museum's purpose, Vladimir Zubić, deputy of the City Council of Sarajevo, noted that the museum is "a reminder of everyone, so that a thing like this tunnel, that provided the people of this city with the minimum subsistence, will never have to be used again. It will be a place where younger people will be able to study a part of our recent past and it will be proof that this part of our history will never be forgotten".[11]

The house and the land around Sarajevo Tunnel's entrance are owned by Bajro Kolar, a local man runs the private museum. In a documentary about the Sarajevo War Tunnel,[12] he talked about his reasons for turning the house into a war facility. He said, "whatever we have, we gave for the defense and liberation of Sarajevo." Having existed for 15 years without any governmental financial support, the museum is becoming one of the most visited sites of the Bosnian capital, with hundreds of daily visitors. Many guided tours in Sarajevo include the Tunnel Museum as one of the war sites most worth visiting in the city.

The museum is open to visitors every working day from 9am to 4pm.

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External links[edit]

Coordinates: 43°49′11″N 18°20′14″E / 43.81972°N 18.33722°E / 43.81972; 18.33722