He reins supreme in the Hermit Kingdom.

North Korea’s diminutive despot Kim Jong Un got on his high horse Wednesday to ride up the sacred Mount Paektu — stirring up speculation that he may be preparing for a major announcement.

“His march on horseback in Mount Paektu is a great event of weighty importance in the history of the Korean revolution,” the official KCNA news agency said.

“Having witnessed the great moments of his thinking atop Mount Paektu, all the officials accompanying him were convinced with overflowing emotion and joy that there will be a great operation to strike the world with wonder again and make a step forward in the Korean revolution.”

Clad in a long, light-brown coat and smiling broadly, Kim vowed to surmount US-led sanctions on the rogue regime as he rode the white horse through the winter landscape.

The idyllic images were released days after Pyongyang’s first nuclear negotiations with Washington in more than seven months fell apart.

South Korean news outlets speculated that Kim may be considering a new strategy in his dealings with the US because he’s previously demanded Washington come up with new proposals to jump-start the stalled diplomacy by the end of the year.

KCTV state TV featured renowned presenter Ri Chun Hee praising Kim’s equestrian display as “historic” and the mountain as a “source of inexhaustible power,” Reuters reported.

According to North Korean documents, Kim’s grandfather and national founder Kim Il Sung had an anti-Japan guerrilla base on the slopes of Mount Paektu during Japan’s 1910-45 colonial rule of the Korean peninsula.

The official biography of Kim Jong Un’s father, Kim Jong Il, says the second-generation leader was born on the mountain when a double rainbow filled the skies.

The white horse also is a propaganda symbol for the Kim family.

In December 2017, Kim hiked to the peak before launching diplomatic overtures that led to his first-ever summit with President Trump.

Rachel Minyoung Lee, an analyst with NK News, a website that monitors North Korea, said that “the report in Korean has characterized Kim’s climb up to Mount Paektu on horseback as a new ‘myth.’”

“That, together with the images of him on a white horse, appear to have been designed to create maximum propaganda effect, which I believe media will play up in the days to come,” Lee told Reuters.

With Post wires