|Part of a series on Shī‘ah Islam|
|The Qur'ān · The Ginans
Reincarnation · Panentheism
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|Shahada of faith · Prayer · Charity
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|Shoaib · Nabi Shu'ayb
Seveners · Qarmatians
Fatimids · Baghdad Manifesto
Hafizi · Taiyabi
Hassan-i Sabbah · Alamut
Sinan · Assassins
Pir Sadardin · Satpanth
Aga Khan · Jama'at Khana
Huraat-ul-Malika · Böszörmény
|Ali · Ḥassan · Ḥusain
as-Sajjad · al-Baqir · aṣ-Ṣādiq
Ismā‘īl · Muḥammad
Husain(az-Zakī/Rabi) · al-Mahdī
al-Qā'im · al-Manṣūr
al-Mu‘izz · al-‘Azīz · al-Ḥākim
az-Zāhir · al-Mustansir ·
al-Musta′lī/ Nizār ·
al-Amīr · Taiyab
|Groups and Present leaders|
|Nizārī · · Aga Khan IV
Taiyabi · ·
Dawūdī · Syedna Burhanuddin
Sulaimanī · Al-Fakhri Abdullah
Alavī · Ṭayyib Ziyā'u d-Dīn
Alamut is a region in Iran including western and eastern parts in the western edge of the Alborz (Elburz) massif, between the dry and barren plain of Qazvin in the south and the densely forested slopes of the Mazandaran province in the north. Starting from Qazvin toward Alamut, passing through the first range of hills, curvatures, forms, scars, wrinkles are significant themes in nature's composition of this area. Two big citadels of Ismailists, Lambsar and Alamut castles are in this area. Hassan-i Sabbah and his Hashshashins controlled the area for many years, as featured in the 1938 novel by Vladimir Bartol.
The valley of Alamut is situated in the north–east of Qazvin province. The region is an enclave in the form of a U shape valley in the central Alborz chains and opening up to the fertile Qazvin plains. The mountains of Alamut were ideal for construction of castles. The natural heights contains a section of the defensive structure of the castles.
In 1090 A.D, Hassan Sabbah, the leader of Ismailites in Iran, chose the Alamut region, as his headquarter to campaign, preach and convert new followers. This proved to be a turning point for destiny of Alamut Valley. The result of over two centuries Ismailite stronghold, the region witnessed innumerous castles throughout, of which at least 20 “castles “dating back to this era have been identified. The most magnificent castle in the Alamut Valley is the Alamut or the Hassan Sabbah castle, which is built on top of a high rock reaching 2163 m above sea level near the Gazor Khan Village. The rock is 200 m high, with its steep slope and deep and dangerous ravine, the rock is practically inaccessible and forms a part of the Fort’s structure. Covering an area of 20,000sq.m. Currently only ruins of the fort and some towers are apparent and it is only through archaeological excavation the mains can be discovered.
The only access is from Qazvin, two roads connect Qazvin to the region, one of them starts from north of the city to West Alamut and the another one starts on the eastern part of the city and lead north to East Alamut.
Having ample rivers, the Alamut valley has released inhabitants from worries about shortage in provided water. The heavy seasonal rainfalls, and adequate snowfall in winter replenish the origins of abundant water resources. Innumerable large and small lakes such as Ovan and Alebon are counted as the region's water resources. Countless rivulets flow in the Alamut Valley, joining up to finally reach Sefīd-Rūd and end up in the Caspian Sea.
See also 
Alamut rulers 
- Hassan-i Sabbah
- (Turkish) "Kiya Buzrug Ummid"
- (Turkish) "Muhammad bin Kiya Buzrug Ummid"
- (Turkish) "El-Hâdî bin el-Nizâr"
- (Turkish) "El-Môhtadî bin el-Hâdî"
- (Turkish) "El-Kahir bin el-Môhtadî bi-Kuvvet’ûl-Lâh / bi-Ahkâmî’l-Lâh"
- (Turkish) "Hasan Alâ Zikrihi’s Selâm"
- (Turkish) "Kıyâmet-i Kûbrâ"
- (Turkish) "Alâ’ed-Dîn Muhammed bin Hasan-ı Sânî"
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