Geography & context
Zerhoun (زرهون), around the holy town of Moulay Idriss Zerhoun, is a mountain site of northern Morocco, in the Fès-Meknès region, on the slopes of Jbel Zerhoun. Located at roughly 34.05° north latitude and 5.52° west longitude, at about 500 metres of altitude near the Roman ruins of Volubilis, it has a Mediterranean climate: hot summers, mild and humid winters. A major spiritual site built around the mausoleum of Idris I, Zerhoun sees its latitude give its prayer times a marked seasonal swing.
History & religious heritage
Moulay Idriss Zerhoun is one of Morocco's holiest towns: it is home to the mausoleum of Moulay Idriss I (Idris ibn Abdallah), who in the 8th century founded the Idrisid dynasty and the country's first Muslim state, and who died in 791. Established near ancient Volubilis, he was a major figure in the Islamisation of Morocco. The town, long closed to non-Muslims, remains a great centre of pilgrimage. Religious practice here follows the Maliki rite.
Religious life in Zerhoun
Religious life in Zerhoun is entirely turned towards the shrine of Moulay Idriss and the pilgrimage (ziyara) around it, to which popular tradition attaches great spiritual value. The great annual moussem gathers worshippers from all over the country around the mausoleum. The mosque with a cylindrical minaret — unique in Morocco — and the mosques of the medina set the rhythm of religious life, in the Maliki tradition.
Hijri calendar & local specifics
As everywhere in Morocco, the Hijri calendar in Moulay Idriss Zerhoun follows rukyat, the official sighting of the crescent moon announced by the Ministry of Habous. This method can produce a one-day difference from the Saudi calendar, notably for Ramadan and the two Eids. During Ramadan, Morocco suspends summer time, shifting all prayer times by about an hour for the duration of the month.
Climate & effect on prayer times
The latitude (~34.0° N) and the Zerhoun relief give Moulay Idriss prayer times with a marked seasonal swing. In winter, Fajr is observed around 06:25 and Maghrib around 17:45; in summer, Fajr falls around 04:15 and Isha around 22:00–22:25 depending on the method. The slopes of Jbel Zerhoun that enclose the town frame the horizon. The published times follow the Ministry of Habous method.
Notable mosques
Zerhoun is organised around the mausoleum of its founding saint and the mosques of the holy town. Here are some of the most notable places.
The mausoleum of Moulay Idriss I, founder of the Idrisid dynasty and of Morocco's first Muslim state (8th century). The spiritual heart of the holy town.
The shrine mosque, one of the main places of prayer and pilgrimage.
A mosque famous for its cylindrical minaret, the only round one in Morocco.
A neighbourhood mosque of the holy town, one of its places of prayer.
Content verified on 18 September 2026.