Between February and April each year is the azalea season.

A view of the vast area featuring azalea blooming in a section of the Putaleng trekking path in Hoang Lien Son mountain range, which stands at over 3,000 metres above sea level.

The soft pink azaleas blooming amidst the lush green shade of the forest is a beautiful sight.

A diverse array of flora and fauna can be seen in Hoang Lien Son mountain range.

These days sees the leaves of several forest trees turn yellow.

The primitive forest conquers Putaleng peak

Big trees covered with thick moss on magnificent high mountains.

A group of trekkers pose for a photo as they attempt to conquer the country’s third highest peak.