A tree tunnel is a road, lane or track where the trees on each side form a more or less continuous canopy overhead, giving the effect of a tunnel. The effect may be achieved in a formal avenue lined with trees or in a more rural setting with randomly placed trees on each side of the route. It can create a beautiful setting.
# Jacarandas Walk, South AfricaOver 10 million trees keep South Africa’s largest city green. According to several unofficial sources, Johannesburg is home to the world’s largest man-made forest. There are at least 49 species of Jacaranda, most of them native to South America (particularly in Uruguay, Brazil, Peru & Argentina), and the Caribbean basin. The tropical trees were imported to South Africa over one hundred years ago. October is the month when the flowers of thousands of Jacaranda trees are in full blossom.
# Tunnel of Love, UkraineOne of the most beautiful tree tunnels in World can be found near the city of Klevan in Ukraine - The Tunnel of Love. This is in fact a train tunnel of trees. It's the main attraction in the area and also one of the most beautiful places in Ukraine. During the warm months of the year the trees planted next to each other form a fairy green tunnel along one kilometer (0.6 mi) long section of the railway. Not a lot of people seem to know very much about the tunnel, or have ever heard of it at all, making it a well-kept secret.
# Cherry Blossom Tunnel, GermanyCherry Blossom Tunnel (Heerstrabe) is located in the German city of Bonn. It is a peaceful street over which, a series of beautiful trees of cherry blossoms droop. Spring becomes alive when the blossoms are in full bloom overhead. Two such roads in Bonn has cherry trees planted around but the mostly travelled is Heerstrabe. Cherry blossoms are said to last for 7- 10 days on average and it greatly depends on weather conditions.
# The Dark Hedges, UKThis tunnel of beech trees is known locally as the dark hedges are thought to be around 300 years old. There are over 100 beech trees which line the Bregagh Road which is near the village of Stranocum in County Antrim, Northern Ireland. They form an arc over the road and there have been concerns that some of the trees present a risk to road users because of their condition.
# Rua Gonçalo de Carvalho, BrasilA green tunnel, formed by the crowns of more then 100 trees of the tipuana species, is the main attraction of Gonçalo de Carvalho street, at the south side of Porto Alegre, which recently gained the nick name of the “most beautiful in the world”.
# Oak Alley Plantation Tree Tunnel, USAOak Alley Plantation is a historic plantation located on the Mississippi River in the community of Vacherie, Louisiana. It is protected as a National Historic Landmark. It is named after its distinguishing feature, an alley (tree tunnel) created by a double row of live oaks about 800 feet (240 meters) long that was planted in the early 18th century, long before the present house was built. The tree tunnel runs between the house and the Mississippi River.