Also known as: Maasuleh, Masoleh, Masouleh, Masooleh Village

Masuleh is a village in the Sardar'e Jangal District in the south west of Fuman, a city of Gilan Province (in North of Iran) and 63 km from Rasht. Historical names for this village include Maasalar and Khortaab. It was founded in the 10th century AD.  It enjoys a moderate climate. Local architecture, springs, waterfalls, the 'Rood Khan' River and dense forests all make it an attractive tourism spot.

Masuleh architecture is unique. The buildings have been built into the mountain and are interconnected. Courtyards and roofs both serve as pedestrian areas similar to streets. Masuleh does not allow any motor vehicles to enter, due to its unique layout. It is the only city in Iran with such a prohibition. However, the small streets and many stairs simply wouldn't make it possible for vehicles to enter. The spectacular architecture of Masuleh is popularly known as "The yard of the building above is the roof of the building below".

Masuleh's integrated architecture and its houses are of two storeys. These comprise of an entrance corridor, cellers and other unique architectural features, and are linked to each other by a staircase. Such that the terrace of each house is the court-yard of the house above.

The presence of the ancient Own Ebne Ali and Own Ebne Mohammad in Masooleh are pilgrimage sites and hold cultural importance.

Masoleh tourism areas:
- Traditional Market (bazaar)
- Museum of Anthropology Masuleh: Established in 2002 and incorporates the history of Masuleh and its people
- Forest park: One of the most beautiful forest parks in northern Iran and even in the Middle East. The variety of plants in this park is very large and trees like rush, alder, hornbeam, hazelnut, as well as herbs and herbs are also seen in it.
- Masuleh Water Fall: watrefall kooshm and larcheshme and kourbar