Battle of Fahs al-Riyah

Battle of Fahs al-Riyah
Part of Fatimid conquest of Ifriqiya

Fatimid army depiction
DateSpring 294 AH / 907 CE
Location
Northern Aurès Mountains, modern-day Algeria
Result Fatimid victory
Belligerents
Fatimids Aghlabids
Commanders and leaders
Ghazwiyya ibn Yusuf Harun al-Tobni 
Strength
1,000 Kutama cavalry 12,000 troops
5,000 local Aurès allies
Casualties and losses
Light 15,000+ (majority of the Aghlabid army annihilated)

The Battle of Fahs al-Riyah or Fahs al-Rimah, was a confrontation between the Fatimid army, led by Ghazwiyya ibn Yusuf Al-kutami, and the Aghlabid forces under the command of Harun al-Tobni. The two armies encountered each other unexpectedly in the area of Fahs al-Riyah, located in the northern region of the Aurès Mountains. The clash ended in a crushing defeat for the Aghlabids.