A well-known high-altitude trekking route called the Green Lake Trek begins in Lachen and travels to the foot of Mount Kanchenjunga. The hike offers breathtaking views of the tall Himalayan peaks as it winds through alpine meadows, dense forests, and glacial landscapes. Adventurers who want to experience North Sikkim’s unspoiled wilderness will love it.

Thangu Valley is a picturesque high-altitude valley located on the way to Gurudongmar Lake. At around 13,000 feet, the valley transforms with seasons — covered in snow during winter and blooming with alpine flowers in summer. The peaceful village setting, flowing Teesta River, and surrounding mountains make it a beautiful stopover near Lachen.

Gurudongmar Lake is one of the highest lakes in the world and the biggest attraction near Lachen. Located at an altitude of over 17,000 feet, this lake is considered sacred by both Buddhists and Sikhs.

The deep blue water surrounded by snow-covered mountains creates a breathtaking view that feels almost unreal. Despite the cold and high altitude, visitors find this place spiritually uplifting and visually stunning.

Chopta Valley, located on the way to Gurudongmar Lake, is often covered in snow during winter and lush green during summer. This wide-open valley surrounded by mountains feels untouched and peaceful.

It’s a perfect place to stop for photography and to simply enjoy the silence of nature. The dramatic landscapes here make Lachen even more special for nature lovers.