The Buor-Yuryakh (; , Buor-ÃÂrex) is a river in the Sakha Republic (Yakutia), Russia. It is the second largest tributary of the Chondon. The river has a length of and a drainage basin area of .
The Buor-Yuryakh flows north of the Arctic Circle, across desolate territories of the Ust-Yansky District. The name of the river comes from the Yakut "ÃÂÃÂþàîÃÂÃÂà" "Buor" = earth, clay / "Yurekh" = river.
The Buor-Yuryakh is a left tributary of the Chondon. It has its sources in the northeastern slopes of the Kyundyulyun at the feet of high Gory Krest mountain. The river flows roughly eastwards across a floodplain among numerous lakes forming meanders all along its course. Finally the Buor-Yuryakh joins the Chondon from its mouth.
The main tributary of the Buor-Yuryakh is the long Sakhsyr-Yuryege (áðàÃÂÃÂÃÂ-îÃÂÃÂóÃÂ) that joins its left bank before the confluence with the Chondon. There are more than 400 lakes in the river basin with a total area of . The Buor-Yuryakh is frozen between the end of September and early June.