This is a fairly popular trek because it is close to Kathmandu. It can be done in a week, and since it is below 3500m it can be done in the winter. The highest altitude is at 3490m. The trek makes a circle through the Sherpa Helambu that is northeast of Kathmandu.
 
Hidden among the oak rhododendron and fir forests, and these steep river valleys, are a number of sacred cave dwellings and meditation sites of historic lamas. The mountain scenery provides a stunning backdrop for a transcendental experience. Moderate elevations and easy access from Kathmandu make this an ideal wintertime. 

Itinerary:
Days    Description
1 Drive to Dunche (2030m
2 Trek to Thulo Syabru (2210m).
3 Trek to Goratabela (3030m).
4 Trek to Langtang (3330m).
5 Trek to Kyangjin (3730m).
6 Trek to Lama Hotel(2340m).
7 Trek to Thulo Syabru.
8 Trek to Sing Gompa (3250m).
9 Trek to Gosainkunda (4380m).
10 Trek to Ghopte Odar (3430m).
11 Trek to Melamchi Gaon (2530m).
12 Trek to Tarkeyyang (2740m).
13 Trek to Sermathang. (2590m)
14 Trek to Melamchi Bazar (870m). Drive back to Kathmandu.

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