הרי"ף - רבי יצחק בן יעקב אלפסי מן הראשונים, היה מגדולי פוסקי ההלכה היהודית.
The Rif, also called the Rif Mountains, is a geographic region in northern Morocco. The region is bounded to the north by the Mediterranean Sea, to the west by the Atlantic Ocean, to the south by the Ouergha River, and to the east by the Moulouya River. The region is the homeland of the Riffians, the Senhaja de Srair, the Jebala, and the Ghomara.
On Wikipedia: עברית · English — summary from Wikipedia, CC BY-SA