# List of tunnels in Bulgaria

This article lists tunnels in Bulgaria by type. The longest railway tunnel is Koznitsa, at 5.8 kilometres (3.6 mi), and the longest road tunnel is Zheleznitsa, at 2 kilometres (1.2 mi).

## Railway tunnels

The following is a list of the railway tunnels in Bulgaria longer than 0.5 kilometres (0.31 mi). It does not include planned, abandoned, or unfinished tunnels. The tunnels of the Sofia Metro are not included either.
| Tunnel | Length (m) | Date of opening | Coordinates |
| Tunnel #1 on the line from Sofia to Mezdra, north of Kurilo | 506 | 1962 | 42°51′23″N 23°22′11″E﻿ / ﻿42.85631°N 23.36974°E﻿ / 42.85631; 23.36974 |
| Galabets tunnel, on the Sofia-Karlovo line | 3,030 | 1951 | 42°43′14″N 23°53′49″E﻿ / ﻿42.720556°N 23.896944°E﻿ / 42.720556; 23.896944 |
| Koznitsa tunnel, on the Sofia-Karlovo line | 5,810 | 1951 | 42°41′54″N 24°22′55″E﻿ / ﻿42.698333°N 24.381944°E﻿ / 42.698333; 24.381944 |
| Tunnel #9 on the Sofia–Karlovo line, above Klisura | 1,850 | 1950 | 42°42′14″N 24°27′23″E﻿ / ﻿42.70377°N 24.45637°E﻿ / 42.70377; 24.45637 |
| Tunnel #10 on the Sofia–Karlovo line, near Klisura | 575 | 1950 | 42°41′45″N 24°26′48″E﻿ / ﻿42.69580°N 24.44664°E﻿ / 42.69580; 24.44664 |
| Tunnel #13 on the Sofia–Karlovo line, near Klisura | 568 | 1948 | 42°41′14″N 24°26′59″E﻿ / ﻿42.68730°N 24.44979°E﻿ / 42.68730; 24.44979 |
| Tunnel #10 on the Ruse–Stara Zagora line, near Radevtsi | 540 | 1913 | 42°48′17″N 25°30′28″E﻿ / ﻿42.80481°N 25.50775°E﻿ / 42.80481; 25.50775 |
| Tunnel #11 on the Ruse–Stara Zagora line, near Radevtsi | 764 | 1913 | 42°47′21″N 25°31′19″E﻿ / ﻿42.78909°N 25.52183°E﻿ / 42.78909; 25.52183 |
| Tunnel #12 on the Ruse–Stara Zagora line, near Bazovets | 607 | 1913 | 42°47′17″N 25°32′35″E﻿ / ﻿42.78794°N 25.54317°E﻿ / 42.78794; 25.54317 |
| Tunnel #19 on the Ruse–Stara Zagora line, near Krastets | 670 | 1913 | 42°46′26″N 25°33′15″E﻿ / ﻿42.77396°N 25.55405°E﻿ / 42.77396; 25.55405 |
| Tunnel #23 on the Ruse–Stara Zagora line, near Raduntsi | 1,100 | 1911 | 42°40′57″N 25°36′15″E﻿ / ﻿42.68251°N 25.60427°E﻿ / 42.68251; 25.60427 |
| Tunnel #24 on the Ruse–Stara Zagora line, near Raduntsi | 808 | 1911 | 42°40′41″N 25°35′24″E﻿ / ﻿42.67809°N 25.59003°E﻿ / 42.67809; 25.59003 |
| Tunnel #25 on the Ruse–Stara Zagora line, near Raduntsi | 670 | 1911 | 42°40′30″N 25°35′13″E﻿ / ﻿42.67511°N 25.58688°E﻿ / 42.67511; 25.58688 |
| Tunnel #1 on the Haskovo–Kardzhali line, near Most | 1,120 | 1930 | 41°43′56″N 25°31′54″E﻿ / ﻿41.73218°N 25.53153°E﻿ / 41.73218; 25.53153 |
| Tunnel #14 on the Sofia-Kulata line, in the Kresna Gorge | 529 | 1943 | 41°47′39″N 23°09′43″E﻿ / ﻿41.79415°N 23.16187°E﻿ / 41.79415; 23.16187 |
| Tunnel #21 on the Sofia-Kulata line, near Damyanitsa | 560 | 1943 | 41°27′54″N 23°16′15″E﻿ / ﻿41.46505°N 23.27097°E﻿ / 41.46505; 23.27097 |
| Tunnel #3 on the Voluyak–Pernik line, near Raduy | 1,390 | 1950 | 42°43′16″N 23°01′34″E﻿ / ﻿42.72098°N 23.02605°E﻿ / 42.72098; 23.02605 |

## Road tunnels

The following is a list of the road tunnels with a length of 0.5 kilometres (0.31 mi) or over. It does not include tunnels under construction.
| Tunnel | Length (m) | Date of opening | Coordinates |
| Zheleznitsa (on Struma motorway near Simitli) | 2,000 | 2024 | 41°56′37″N 23°06′25″E﻿ / ﻿41.943639°N 23.106815°E﻿ / 41.943639; 23.106815 |
| Vitinya (on Hemus motorway below Vitinya Pass) | 1,195 | 1984 | 42°46′52″N 23°47′51″E﻿ / ﻿42.781139°N 23.797556°E﻿ / 42.781139; 23.797556 |
| Topli Dol (on Hemus motorway near Botevgrad) | 883 | 1980s | 42°50′16″N 23°47′48″E﻿ / ﻿42.83773°N 23.79667°E﻿ / 42.83773; 23.79667 |
| Echemishka (on Hemus motorway near Botevgrad) | 775 | 1980s | 42°51′23″N 23°47′27″E﻿ / ﻿42.85631°N 23.79079°E﻿ / 42.85631; 23.79079 |
| Praveshki Hanove (on Hemus motorway near Pravets) | 871 | 1999 | 42°54′55″N 23°54′54″E﻿ / ﻿42.91528°N 23.91496°E﻿ / 42.91528; 23.91496 |
| Trayanovi Vrata (on Trakia motorway, below the Gate of Trajan pass ) | 740 | 1970s | 42°21′15″N 23°55′06″E﻿ / ﻿42.35428°N 23.91841°E﻿ / 42.35428; 23.91841 |
| A tunnel on the Gabrovo Ring-road | 540 | 2020 | 42°51′35″N 25°17′13″E﻿ / ﻿42.85980°N 25.28691°E﻿ / 42.85980; 25.28691 |
| Golemo Buchino (Lyulin motorway) | 500 | 2011 | 42°37′38″N 23°07′41″E﻿ / ﻿42.62729°N 23.12801°E﻿ / 42.62729; 23.12801 |
| Lyaskovo (on the bypass of Tsankov Kamak) | 882 | 2010 | 41°47′41″N 24°28′35″E﻿ / ﻿41.79460°N 24.47626°E﻿ / 41.79460; 24.47626 |
The Kresna Gorge Tunnel, if built, would have been Bulgaria's longest tunnel at over 15 kilometres (9.3 mi). It was cancelled in 2015, before construction had begun, and it will be replaced with an alternative route featuring a number of smaller tunnels.
Vitinya Tunnel, on the Hemus motorway was the longest road tunnel in the country for 40 years between its opening in 1984 and 2024. It has been surpassed by the Zheleznitsa Tunnel on the Struma motorway.

## References and notes

* ↑ "Списък на тунелите [...]" (PDF). Retrieved 21 November 2020.
* ↑ A pair of tunnels; the shorter one – 440.30 m – was built in 1897.
* ↑ "Bulgaria opens 110 mln euro Zheleznitsa road tunnel for traffic". SeeNews. Retrieved 2024-02-21.
* ↑ "Тунел "Витиня" на магистрала "Хемус" вече е с нов облик". 20 September 2017. Retrieved 21 November 2020.
* ↑ "Борисов откри обходния път на Габрово, за който ЕК иска да връщаме 11 млн. лв".
* ↑ "Обход на Габрово | Община Габрово".
* ↑ "Отвориха "златния път" за "Цанков камък"". 3 August 2010. Retrieved 21 November 2020.