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Latian Dam, the architectural masterpiece of Jajroud River

Dams remind us of declining river water downstream, but their construction is essential for drinking water and agriculture in the surrounding areas. What makes the dam an important structure is the storage of millions of square liters of water behind the dam and the supply of electricity. When water collects behind the dam, a beautiful natural lake is formed that can be home to many fish and birds. Once, as a child, we went to the Latian Dam with our family. It goes back to about 26 years ago, when the water behind the dam was very high and I was afraid to approach it because the water was not clear and the lake was too deep.

But that day became a happy memory for me because in the shortest possible time we reached an area of ​​Tehran that was full of natural beauty. Therefore, I decided to provide you with complete information about Latian Lavasan Dam and the sights around it in this article from Alibaba Tourism Magazine .

Where is Latian Dam?

Letian Dam is located in the south of Lavasan, 35 km northeast of Tehran and 5 km from Jajroud.

What entertainment is available at Latian Dam?

Camping, boating, fishing and cycling are among the most popular pastimes at Latian Lavasan Dam.

What is the access route to Latian Dam?

Latian Dam is very close to Tehran and to access it you can drive from Babaei Highway to Lavasan or from Tehranpars and Damavand Road to Jajroud.

What are the sights around Latian Dam?

Latian Dam, Jajrud River, Kamard village, Kamard waterfall, Chehel Dokhtar cave, Telo and Latian forest parks are among the sights around Latian dam.

Latian Dam from the past to the present

Latian Dam, which was called Farahnaz Dam before the victory of the Islamic Revolution, is located on the Jajrud River in the southern part of Lavasan. Latian Dam was built in a valley between Bandak and Jajrud mountains, where the Barg Jahan river flows into the Jajrud river. The existence of this dam, in addition to supplying water to Tehran and the surrounding farms, has created beautiful areas for picnics and camping, and every week many families move to Latian Lavasan Dam to spend their leisure time.

تاریخچه سد لتیان

In the continuation of the article, we will provide more details about the purpose of construction, history, year of construction, project manager, specifications of the dam and the sights around it.

The purpose of building Latian Dam

The purpose of constructing Latian Lavasan Dam was to supply drinking water required by Tehran province as well as agricultural water of Varamin plain. Jajrud River is the main supplier and catchment of Latian Dam and other rivers such as Afcheh, Barg Jahan and Kundrud upstream reach this catchment.

هدف از ساخت سد لتیان لواسان According to The volume of the main catchment, Latian Dam, was able to supply Tehran with 290 million cubic meters of drinking water, which reached the Tehran-Pars treatment plant through a 5.9 km long tunnel. In addition to drinking water, this water was also used to irrigate farms in the Varamin plain and its amount was about 160 million cubic meters. On the other hand, this dam has the ability to produce 70,000 megawatt hours of electric-hydropower energy annually for Tehran’s national networks.

Over time and with the increase of Tehran’s need for drinking water, since 1988, on average, about 140 million cubic meters of water of Lar Dam has been transferred to the macro power plant through the 20-kilometer Lar tunnel and from there to the main reservoir of Latian Dam. Lavasan falls. This has increased the volume of transmissible water of Latian Dam from 290 million cubic meters to 410 million cubic meters.

History of Latian Lavasan Dam

Preliminary studies for the construction of Farahnaz Dam began in 1338 and in 1342 the construction of the dam began. Latian Dam was put into operation after 4 years, in 1346. The consulting engineers of the dam, Alexander Gip and the contractor were also sassers and the operation device of the dam was Tehran Regional Water Company.

The Ministry of Water and Electricity was the executor of some parts of the project at the time, and in the following years, it has taken measures to maintain the Farahnaz Dam and prevent the mountain from collapsing. We did a lot of searching to find the name of the main designer of Farahnaz Dam, but unfortunately there is no information about it on the web. So if you know the name of the designer of this beautiful dam, please comment for us so that other readers can get to know him.

In the following document, you can see some of the measures taken by the Ministry of Water and Electricity of Tehran in 1350 for the protection of Latian Lavasan Dam. The most important measures this year are to prevent the fall of mountains (99%), purchase land around the dam and transfer residents (95%) and fencing around the lake (99%). All these measures have been taken in the fourth quarter of 1350.


Rudbar sewage disposal has become Qasran, but due to the implementation of a system of urban sewage in the city of Lavasan, the entry of sewage into the Latian Dam will be prevented.

The construction of the Latian Dam on the Jajrud River has led to the formation of beautiful lakes in this area, the main reason for which tourists travel to is fishing in the lake and boating. Of course, we should not forget the natural beauties around the dam, including the forest parks and the village of Kamard. In the continuation of the article, we will talk in detail about each of the sights and attractions around Latian Lavasan Dam.

The official name of the dam is Latian

Latian Dam was put into operation in 1346 and it was named Farahnaz Dam, but after the victory of the Islamic Revolution, the name of this dam was changed to Latian. The name of the dam is taken from one of the closest villages to the dam wall, which is one of the small villages of Lavasan, and unfortunately, it was submerged by the construction of the dam. As Latian village was submerged, the villagers sold their homes to the government.

Latian Dam Specifications

Latian Dam consists of two main parts, concrete and drywall, and its height above sea level is about 1600. The height of the dam is 45 meters from the base point and about 30 meters from the bed of Jajroud river. The length of the dam crown is 88 meters in the concrete part and 65 meters in the dry part of China, and the length, width and depth of the dam crown are 450 meters, 9 meters and 99 meters, respectively. The height of the crown from the riverbed is 80 meters and its width at the riverbed is exactly 99 meters.

مشخصات سد

Latian Lavasan Dam has 2 water drain valves with a discharge capacity of 100 cubic meters per second and a discharge overflow capacity of 650 to 1100 cubic meters per second. The catchment capacity of Farahnaz Dam is about 80 cubic meters per second and the type of overflow is tunnel-valve. The volume of the body of Litan Dam is 770 cubic meters and the dead volume of its reservoir is 28 million cubic meters. Latian hydroelectric dam with a nominal capacity of 45 MW is located 20 km away from the dam and is called a large power plant.

In the table below you can see a brief overview of the dam.

height of the dam above sea level1600 meters
height of the dam from the base45 meters
Dam height from Jajrud riverbed30 meters
crown length in concrete part88 meters
crown length in the dry part of China65 meters
crown length450 meters
width of the crown9 meters
width at the bottom of the river99 meters
height from river bottom80 meters
height from the base107 meters
catchment area69,800 square kilometers
Average annual water350 million cubic meters
Latian Hydropower Plant Capacity46 MW
Number of drain valves2 pieces
overflow typetunnel-valve
Total capacity of water drain valves100 cubic meters per second
discharge overflow capacity650-1100 cubic meters per second
catchment capacity80 cubic meters per second

Application of Latian Dam

Latian Lavasan Dam with the aim of supplying drinking water to the city Tehran on the way The Jajrud River was built. Of course, part of the water of this dam was also used to irrigate the agricultural fields of Varamin plain.

کاربرد سد

Tourist Attractions of Latian Lavasan Dam

There are beautiful and stunning natural tourist attractions around Latian Dam, which are a great choice for a day trip outside of Tehran province. Among the most important tourist attractions of Latian Dam, the following can be mentioned. Of course, keep in mind that Latian Dam is just one of the Lavasan sights .

Telo Forest Park

Telo Forest Park is also known as Ghazal Park. Telo is one of the largest forest parks in Lavasanat region, which is located at km 5 of Telo road and attracts many tourists. The vegetation of this forest park includes cypress, silver cypress, almond, juniper, purple, pine, wild pistachio, spruce, sycamore, daghdaghan, elm and elm trees.

This vast vegetation is irrigated by drip irrigation and water from Latian Dam. Among the animals you can see in this forest are foxes, partridges, jackals and rabbits.

پارک جنگلی تلو

The process of planting trees in this area began in the early 80’s and has an area of ​​more than 10 million square meters. Due to its high area, Telo Forest Park is currently the fourth largest park in Tehran Parks Is. In this park, there are facilities for tourists to stay, which include a pavilion and a place for children to play. Benches in different sections, a prayer hall and a bathroom are other facilities of Ghazal Forest Park.

Latian Forest Park

Latian Forest Park with an area of ​​more than 1000 hectares is located in the southern part of the dam and continues from the south to Shahid Babaei Highway. Latian Park is one of the summer and green areas of Tehran, which is about 10 km away from Tehran and you can easily reach this park with a half hour drive. Also these days, this park is one of the Tehran sights in Corona . The vegetation of Latian Forest Park includes trees such as cypress, oak, maple, sycamore and acacia. There are many amenities in this park for tourists, including benches with braziers, trash cans in the place of the park, buffet, traditional dining room, coffee shop, prayer hall, bench for rest and toilet.

Kamard waterfall and village

Kamard is a beautiful village in Jajroud district, which is located 25 km from Tehran and on the Abali road. The climate of the village is mountainous and therefore will be the best choice for summer residence.

In this village, there is a beautiful waterfall with a height of 20 meters, on the side wall of which you can see a beautiful and mysterious cave with an area of ​​10 square meters. The name of this cave is Chehel Dokhtar and it is one of the most beautiful natural attractions of Kamard village. The reason for naming the cave goes back to an old tradition according to which 40 girls went into the cave and never returned.

آبشار و روستای کمرد

You have to walk about 10 minutes to reach Kamard waterfall. The waterfall is located in an area covered with elm, sycamore and barberry trees. Kamard waterfall is about 20 meters high and flows only in spring.

آبشار و روستای کمرد

Other tourist attractions of Kamard village include Imamzadeh Tayeb Ibn Taher in the eastern part of the village and Imamzadeh Dobradaran next to the small spring of Dobradran. To go to Kamard village and see Chehel Dokhtar cave and Kamard waterfall, you have to enter Tehran road towards Haraz. After 20 km and after crossing the bridge of Jajrud river, you will see a side dirt road, at the end of this road, there is Kamard village.

Latian Dam Recreations

In addition to the sights of Latian Dam, by traveling to this area, you can experience fascinating entertainment, one of the most important of which is boating and fishing. Of course, camping by the dam and relaxing in the cool weather of this area is also a relaxing pastime for many tourists.


Fishing at Latian Dam is one of the most exciting pastimes in the area, so you can stand by the lake and go fishing or go boating in the middle of the lake. Due to the proximity of Latian Dam to Tehran, many Tehran fishermen travel to this dam for leisure and recreation.

Fish in the dam include river whitefish, slack, cross carp and yellowfish.Some professional fishermen have also reported the presence of rainbow trout in the Jajrud River and behind the Latian Dam. Of course, this type of fish is rarely seen now, while until several years ago, the Jajrud River was one of the main places for the presence of rainbow trout.

boat riding

With the construction of a dam on the Jajrud River, a natural lake has been formed in this area, which is a very suitable place for boating. Locals rent boats to tourists, and you can take a boat ride on the roaring waters behind the dam for a few hours and feel the cool breeze of the lake on your face.

قایق سواری در سد لتیان

Nature tour

There are green areas around Latian Lavasan Dam that would be the best choice for a picnic. So you can either camp around the dam or go to the river bank. Of course, there are two beautiful forest parks called Telo and Latian in this area, which are among the most important tourist and recreational areas in the northeast of Tehran. In the previous section of the article, complete information is provided about the forest parks around Latian Dam, the flora and fauna, and the amenities of each.


One of the most popular pastimes at Latian Lavasan Dam is a picnic, and late every week you can see families traveling to the area with picnics and tents. With the beautiful scenery around the dam and the forest parks that have enough facilities such as pavilions, braziers, chairs, toilets and cafes, you can have a happy weekend by the water or among the trees of the forest park with your family.


Photography is one of those pastimes that everyone is eager for these days thanks to social networks like Instagram. Around the dam, around the Jajrud River, Telo and Latian forest parks are very suitable places for photography. Create lasting memories by photographing the beautiful nature of this region.


Where is Latian Dam?

Latian Dam is located in the south of Lavasan city, which is one of the functions of Tehran. This dam is located exactly 35 km northeast of Tehran and 5 km from Jajroud city and on Jajroud river.

Location of Latian Lavasan Dam on Google Map

Access route to Latian Dam

To access Latian Lavasan Dam (Farahnaz Dam), there are two main routes, one of which includes travel from the northeast of Tehran and Babaei Highway. In this route, you should drive towards Lavasan and after passing Lavasan, move to the southeast. In the second route, which passes from Tehran-Pars and Damavand Road to Jajrud and Ghorneh Ghoochak, you have to drive towards Jajrud Bridge and after the bridge, move north and parallel to the river. After 5 km you can see the entrance of Latian Dam.

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