What area of Nepal is covered by mountain region?

The mountain region of Nepal primarily encompasses the northern part of the country, which includes the Himalayan range. This area features some of the world's highest peaks, including Mount Everest, and is characterized by rugged terrain, deep valleys, and a diverse range of ecosystems. Major districts within this region include Solukhumbu, Manang, and Mustang, among others. The mountain region is also home to various ethnic communities and rich cultural heritage.