Arslanbob Forest

Arslanbob Forest - world's largest walnut forest, Kyrgyzstan
Arslanbob Forest – world’s largest walnut forest / HylgeriaK, Wikimedia Commons / CC BY-SA 3.0

WorldBlue  In short

World’s largest walnut forest – Arslanbob Forest – is located in the mountains of Kyrgyzstan. Each year there are collected some 1,500 tons of walnuts thus making this forest the largest single source of these nuts in the world.

4.4 out of 10 stars 43.8%

GPS coordinates
41.3484 N 72.9565 E
Location, address
Asia, Kyrgyzstan, Jalal-Abad, around Arslanbob town, mainly to the north from it
Name in Kyrgyz
Арстанбап токой
Dominant species
Walnut Juglans regia
Around 11,000 ha

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WorldYellow In detail


Walnuts (Juglans regia) grow in the enormous area from the Balkans to southwest China. Since the 17th century, it has been introduced in America as well.

Walnut is a valuable tree, well-known thanks to its beautiful wood and exquisite nuts. This large tree is light-demanding and needs full sun and rich soil.

There is not much undergrowth under the tree – its leaves contain juglone, a natural herbicide. As a result groves of walnut are similar to shaded parks.

Walnut is considered to be one of the most valuable temperate hardwoods but even more valuable are nuts. The nuts of this tree have very high quality, oil is richly flavored. Different parts of the plant are used in medicine.

History of Arslanbob Forest

According to research data, the world’s largest walnut forest is not too old. Some 2,000 years ago here were growing other trees – junipers, birch trees, ashes. An enormous forest of walnuts appeared approximately 1,000 years ago.

According to local legends the origin of this forest is linked to Prophet Muhamed. His envoy was searching for paradise on Earth and found one at present-day Arslanbob. This was a beautiful valley with a crystal-clear stream. Only the trees were missing. Thus prophet sent to him a bag of seeds of fruit trees including walnuts. Envoy planted the seeds and tended the garden for many years.

Another story goes further into the past: according to this story the walnut forest was here already in the times of Alexander the Great (the 4th century BC) and Alexander brought a sack of walnuts back, to Greece, thus introducing this tree in Europe.

Research shows that the area of groves in the past was 630,900 ha (now – some 11,000 ha). Overexploitation, especially grazing has led to a decrease in the forest area.

In 1945 there was an organized forest research station with an aim to establish commercial plantations and to increase yields.

In Arslanbob Forest - world's largest walnut forest
In Arslanbob Forest – world’s largest walnut forest / Patrick Barry, / CC BY-SA 2.0

Arslanbob Forest today

This unique forest – orchard grows on the south-facing slopes of the Fergana range, at the height of some 1,500 – 2,000 m. Down in the valley is located the small town of Arslanbob which in many ways depends on this forest. Not too far is located another large walnut forest – Dashman Forest Reserve.

Trees in the Arslanbob forest grow up to 150 – 200 years old creating an impressive fairy-tale landscape of an endless, shady orchard. This forest is divided among the families of local people. At every time of the year, this is an impressive, interesting place to visit. Here are found natural and man-made landmarks, such as several impressive waterfalls (two best-known falls are 80 m and 23 m tall), and sacred caves.

Of course, the most interesting time is autumn when trees bring fruits. Every year in mid-September – mid-October all locals get involved in nut collection. Many people stay to live in the forest during this month. Locals recognize that this is the best time of the year when the family spends time together, meets with relatives, and makes new friends. This is a time of festivity and there are many lights in the forest with merry people who spend long evenings in common feasts.

Walnuts are not the only value in this forest. Here grow many species of valuable fruit-bearing trees, such as specific species of apple (Malus siversiana), pear (Pyrus korshinsky), plum (Prunus sogdiana). Locals eat and collect thousands of tons of apples, pistachios, cherry plums, and other fruits.


  1. A budget travel blog from Central Asia, the Silk Road, and beyond. Accessed in 06.03.2014.
  2. Ruth Beera, Franziska Kaisera, Kaspar Schmidtb, Brigitta Ammanna, Gabriele Carraroc, Ennio Grisad, Willy Tinner, Vegetation history of the walnut forest in Kyrgyzstan (Central Asia): natural or anthropogenic origin?, Quaternary Science Reviews, Vol 27, 2008. Accessed in 06.03.2014.

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