Altyn Tamgan Tarhan inscription or Ihe Ashete inscription is an inscription on a stele erected by Bilge Ishbara Tamgan Tarkhan, the son of Ashina Duoxifu. It was discovered 53 km north-west to the Orkhon inscriptions. According to András Róna-Tas it was erected in 724.
It was discovered by Russian scientist N. P. Levin in 1891.
The inscription was found in northeast of Tulee mountain, Bulgan Province, Mongolia.
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