This triclinium faces the entrance to the Siq and is located on the original path that led into Petra. There are 18 votive niches and a basin on its south-western wall. The majority are empty because, on particular occasions, the Nabataeans would place portable betyls inside these niches. The Nabataeans used tricliniums, which were often found close to tombs, as spiritual places where ritual feasts were celebrated. Inside the Aslah Triclinium, stone benches have been carved along three sides, and there is a recess in the back wall. A Nabataean inscription above the recess says, "These rooms and cisterns were built by Aslah, son of Aslah, for Dushara, the god of Manbatu, and for the life of Obodat, King of the Nabataeans, son of Aretas.The inscription dedicates the complex to Dushara in the first year of the reign of King Obodas I (96/95 BC); it is the oldest inscription to be found in Petra to date, which is why this triclinium is so significant.