Have you ever heard the name of a city called Zirab in Mazandaran? A city that is hidden in the heart of the mountains and green forests of northern Iran and is less known among the famous tourist destinations. If you are looking for a quiet, cool and cozy destination, Travel to Mazandaran It can be a different experience, especially if your destination is underwater. In this small but spectacular city, pristine nature, clear rivers and paths covered in fog await you. In this article from tourism magazine Fly TodayWe intend to introduce you to one of the most attractive and unknown cities of Mazandaran; A city that is located between the routes from Firuzkoh to Ghaemshahr and every corner is a picture of the peace and beauty of the north.
Where is the underwater city?
Zirab is one of the green and pleasant weather cities of Mazandaran province, which is located in Swadkoh city. This city is located on the communication route of Tehran to the north and near the city of Firouzkoh. For this reason, many tourists who go north from Tehran pass through the sights of Firouzkoh and after a little further, they reach the underwater city.
Underwater is a mountainous city with a four-season nature; It has flowery springs, cool summers, colorful autumns and snowy winters. This area is close to Sawadkoh sightseeing places such as Versk bridge, forest and Lefur Dam and Salt lakeIt is an ideal destination for nature lovers. Raging rivers, high mountains, and forest trails around the city create a pleasant atmosphere for relaxation and adventure.
In addition to the pristine nature, Zirab has warm-blooded people and authentic culture. This city is a place where the peace of nature is mixed with the hospitality of northerners and has turned it into one of the lesser known gems of Mazandaran.
- Distance from Tehran to Zirab: 217 km
- Distance from Sari to Subwater: 62 km
- Distance from Firouzkoh to Zirab: 68 km
- Distance from Shirgarah to the water: 17 km
- Distance from Swadkoh to Zirab: 34 km
Mazandaran underwater location on Google map
Underwater weather The best time to travel
Being located between mountains and forests, the underwater city has a mild and pleasant climate. Its winters are cold and snowy and its summers are cool and humid. If you are interested in nature tourism, the best time to travel underwater is from early May to late October; When the mountains are green, the rivers are full of water and the weather is pleasant. Spring in this region is associated with the fragrance of flowers and mountain fog, summer is a great opportunity to escape from the heat of central cities, autumn has stunning views with its golden and orange colors, and winter is also attractive for snow-climbing enthusiasts and white-clad scenery.
Due to its geographical location, underwater is always one of the best weather spots Sightseeing places in Mazandaran It is considered and each season shows a different face of the beauty of the north.
Underwater access routes
Zirab city is located in the communication axis between Tehran and Qaimshahr and in the heart of Swadkoh city. To reach this city, you can choose the beautiful path of Firouzkoh, which passes through natural and beautiful mountain scenery.
One of the popular options among travelers is traveling with Swadekoh train ticket is The railway route of Tehran to the north passes through plains, tunnels and historical bridges such as Versk and is considered one of the most spectacular railway routes in Iran. Also, some Mazandaran tours from Tourist train They are used on this route so that passengers can enjoy the amazing views of mountains and forests without driving.
In addition to rail travel, road access is also easy. Passengers can reach the underwater through Firozkoh road and then crossing the white bridge. The route from Tehran to Zirab is about 250 km and in normal traffic conditions, it takes about 4 hours.

Underwater sights
Zirab is a city that is hidden in the heart of the mountainous nature of Mazandaran and contains a combination of history, culture and natural beauty. Its attractions, from historical monuments to waterfalls and natural landscapes, fascinate every traveler. In the following, we will get to know some of the most important underwater sights:
The historic castle of Borj Lajim
Burj Lajim Castle is one of the valuable historical monuments in Swadkoh region, which is located near Lajim village. This castle with a circular tower made of brick and stone is a relic of the Al-Boyeh era and the 4th century of Hijri. Inside the tower, there is an inscription in Kufic and Pahlavi script, which is very valuable from a historical point of view and is known as a document of ancient Iranian architecture.
It is possible to access the castle from Firozkoh and Zirab, and it takes about half a day to visit it. Around the castle, there are green and eye-catching landscapes that are suitable for photography and nature tourism. It is recommended to visit this place in the early hours of the day so that you can see the beauty of its architecture better with natural light.
Imamzadeh Abdul Haq
At a short distance from the city of Zirab, the tomb of Imamzadeh Abdul Haq is located, which is one of the most important and popular shrines of the people of the region. This imamzadeh with a turquoise dome and an old building is located among old trees and a green mountain environment. The surrounding area is quiet, clean and suitable for pilgrims and rest.
While visiting this religious place, pilgrims and tourists can also visit the small local bazaar around Imamzadeh where local products, traditional foods and handicrafts of Mazandaran are sold. The access road to Imamzadeh is paved and passable for passenger cars, and there are basic amenities such as restrooms and parking places.
Versk bridge
One of the most famous attractions near the underwater is Versk Bridge; A symbol of engineering and beauty in the heart of the mountains. This bridge is located on the railway track of North Tehran and near Zirab and Swadkoh. Paul Worsk among others Sights of Firuzkoh It is considered that it attracts many tourists every year.
Versk historical bridge It was built by Swiss engineers during Reza Shah’s reign. Its height is more than 100 meters and it is located on a deep valley in Alborz mountains. Visiting this bridge is not only attractive for those interested in history and architecture, but also the scenery around it is wonderful for photography and watching nature. The best time to visit Versk Bridge is spring and summer, when the mountains are green and the sky is clear.

Velila waterfall
In the heart of the surrounding forests, there is the Mazandaran underwater waterfall or Velila waterfall; One of the most beautiful natural effects of this region. This waterfall is located near the village of the same name and with its significant height and surrounding nature, it is a popular destination for nature lovers. The access route to the waterfall is through Firouzkoh road and then the side road leading to Walila village.
In spring and summer, the watery waterfall and its surroundings are covered with green trees and wild flowers. The sound of water, the smell of damp soil, and the cool air of the mountains, give the visitors a unique peace. It is recommended to bring suitable walking shoes, because the final path to the foot of the waterfall is a bit forested and slippery.
Tips for traveling underwater
Traveling underwater is a journey between mountains, forests and rivers; So it is better to go with full preparation. If you are traveling in spring or summer, bring light but covered clothing to deal with humidity and insects. In autumn and winter, warm and waterproof clothes are necessary.
Don’t forget hiking shoes, power bank, flashlight, and some light food for exploring the nearby forests. Underwater mountain trails sometimes do not have proper antenna coverage, so it is better to download the route map in advance. Finally, respect nature; Leave no waste and hear the sound of life in the peaceful silence of the forest.

Stay in the underwater city of Mazandaran
Despite its small size, underwater has a variety of accommodation options. From ecotourism residences in the heart of the forest to urban hotels and guesthouses. The proximity of this city to nature and Swadekoh hotels It has made tourists to experience a pleasant and peaceful stay. In the following, three of the best accommodations in this area are introduced:
Forest residential complex hosted by Swadekoh
Host forest residential complex It is located in the heart of Swadkoh forests and has a wonderful view of mountains and trees. Its rooms and suites are designed with facilities such as heating system, TV, private bathroom and terrace. Proximity to forest trails and easy access to scenic areas such as Shoremast Lake and Versk Bridge are the advantages of this residence. The host complex is an ideal option for families, groups of friends and nature lovers, and it also has a parking lot, a restaurant, and a children’s playground.

Spahbad Swadkoh Apartment Hotel
If you are looking for a comfortable stay and quick access to the city center, Espahbad Apartment Hotel It is a suitable option. This complex is known for its clean rooms, complete accommodation facilities and friendly staff. Its proximity to the railway station and local shops makes it very convenient for travelers to stay. Free internet, breakfast, parking and warm reception are the most important services of this hotel. Staying at Spahbad Hotel provides a combination of urban comfort and mountain peace.
Kime Savadkoh ecotourism resort
Kime Savadkoh ecotourism resort It is one of the most popular options for lovers of rural life and pristine nature. Its traditional atmosphere and wooden structure are built with the local architecture of Mazandaran and it has a spectacular view of the forest. The smell of local bread, homemade breakfasts and the sound of birds are some of the memorable features of staying in Kime. Guests can take part in village tours, forest walks and visit nearby attractions. Kime Eco Lodge is a great choice to experience the simple and peaceful northern life.

Journey to Mazandaran underwater A peaceful journey in the heart of mountains and forests
Mazandaran is a city under water that offers peace and beauty to travelers in the midst of mountains and forests. From historical castles to natural waterfalls, every corner has a story of northern authenticity. If you are looking for a different destination in the heart of the lush forests of Mazandaran, Zirab village is a special and attractive option.
If you have traveled to this city or are planning to visit, share your experience with other travel enthusiasts in the comments section. Maybe your story will inspire the next trip of others.
Frequently asked questions about Mazandaran underground
In which region of Mazandaran is the underwater city located?
Zirab is one of the cities of Swadkoh city in Mazandaran province. This city is located on the Tehran-Qaimshahr road and near the city of Firouzkoh. Its mountainous location and cool weather have made it one of the popular destinations for tourists.
What season is the best time to travel underwater?
The best time to travel underwater is from May to October; When the nature of the region is in its most beautiful state and the weather is pleasant. Of course, if you are interested in snow and winter scenery, Day and Avalanche are also attractive for travel.
How can you travel underwater?
It is possible to access the underwater both through Firuzkoh road and with a train ticket to Swadekoh. The Tehran-North railway route is one of the most beautiful train lines in Iran and passes through Versak bridge and wonderful natural scenery.
How is staying underwater and what are the options?
There are different options for staying underwater; From Swadekoh hotels to ecotourism residences and forest complexes. Some of the best ones include Host Forest Complex, Spahbad Apartment Hotel, and Kimeh Ecotourism Lodge.
What are the most important underwater sights?
Among the underwater attractions, we can mention the historical fortress of Burj Lajim, Imamzadeh Abdulhaq, Versak Bridge (one of the sights of Firuzkoh) and the underwater waterfall of Mazandaran (Walila). Each of these places displays a part of the history and unique nature of this region.
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