Tunnels in Bulgaria
3 tunnels in Bulgaria, ranked by size. The largest are Galabets (tunnel) (3 km), Koznitsa and Kresna Gorge Tunnel. Data from Wikidata and Wikipedia.
More about Bulgaria
Explore Bulgaria → Mountains 39Waterfalls 13Lakes 49Islands 11Beaches 4Castles & palaces 5Museums 82World Heritage Sites 8National parks 3Universities 36Stadiums 72Bridges 15Theatres 3Cathedrals 9Mosques 10Synagogues 5Monasteries 33Archaeological sites 70Power stations 29Libraries 7Forts & fortresses 35Monuments 52Palaces 6Squares & plazas 5Reservoirs 27Zoos 8Mines 7Cemeteries 3Observatories 3Ski resorts 4Breweries 3Nature reserves 51Railway stations 56Hospitals 9Hotels 9Shopping malls 8Aquariums 9Churches 76Gardens 11City parks 23Music venues 15Arenas 4Airports 23Towers 12Dams 3Caves 17Rivers 168Mountain ranges 11Bays 3Valleys 4Mountain passes 18Capes 4Hills 8Mausoleums 3Ruins 3Opera houses 3Metro stations 42