Hoang Lien National Park is a vast protected area in Yen Bai province, offering incredible opportunities for trekking enthusiasts. The park is home to Fansipan, the highest peak in Indochina, and boasts diverse flora and fauna. You can embark on a multi-day trekking adventure, exploring the lush forests, crossing rivers, and camping in the wilderness. Along the way, you might encounter rare wildlife species and enjoy panoramic views of the surrounding mountains. The challenging yet rewarding trekking experience in Hoang Lien National Park is perfect for nature lovers and adventure seekers.