It is the Miqat designated by Allah's Messenger - Peace be upon him - for the people of Yemen or those coming from that direction, whether they pass through it or parallel it from the sea. It is the Miqat for those coming to Makkah from the interior or coastal route, both of which pass between the sea and the Sarat mountains. Yalamlam is the name of a large valley whose streams flow down from the Shafa Bani Sufyan mountains southwest of Taif, then flow westward south of Makkah to the Red Sea. The remains of Miqat Yalamlam are concentrated in the southern part of the Yalamlam valley. Remains of water facilities have been discovered at the site, including the Sa'diyah well, and an inscription has been found on a marble slab dating back to 1211 AH that records the renovation of the well.