| Ynnakh Mountain | |
| Other Name: | Arga Ynnakh Khaya Gora Ulakhan Ynnakh Mat Gora |
| Elevation M: | 1609 |
| Elevation Ref: | [1] |
| Range: | Chersky Range |
| Listing: | Mountains of Russia |
| Area Km2: | 134 |
| Location: | Sakha Republic, Russia |
| Map: | Russia Sakha Republic |
| Coordinates: | 67.4167°N 186°W |
| Coordinates Ref: | [2] |
| Type: | Granite massif |
| Easiest Route: | From Ese-Khayya |
Ynnakh Mountain, also known as Arga Ynnakh Khaya (Russian: Арга Ыннах Хая), Gora Ulakhan Ynnakh[1] (Russian: Гора Улахан Ыннах) and as Mother Mountain (Russian: Мать-Гора), is a mountain in Verkhoyansky District, Yakutia, Russian Federation.
The mountain has been classified as a natural monument of Russia with number 1420068. It is an important mountain in Yakut culture, where the word "Ynnakh" comes from Yakut: Ыыннаах, meaning scary, creepy.[3]
Ynnakh Mountain is a granite massif located north of the Yana Plateau between the Yana River and the Adycha, a right hand tributary of the Yana. The mountain rises at the western limit of the Chersky Range, near the eastern foothills of the Verkhoyansk Range, a few miles to the southeast of Ese-Khayya.[4]
The height of the summit is 1609m (5,279feet) according to the Operational Navigation Chart.[1] According to other sources it is 1622m (5,322feet) high.[5] The mineral kesterite is found in the mountain.[6]
There is sparse forest in the lower slopes and at the feet of the mountain. Mid and higher elevations have mountain tundra with mosses and lichens.[2] [7]
