thumb|Location of Degelen within the Semipalatinsk Polygon. Degelen () is a mountain massif in the Zhanasemey District, Abai Region, Kazakhstan.
thumb|Location of Degelen within the Semipalatinsk Polygon. Degelen () is a mountain massif in the Zhanasemey District, Abai Region, Kazakhstan.
Semey city, former Semipalatinsk, lies about to the ENE of the Degelen mountain area. The Balapan nuclear test site lies to the northeast.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).