For the most adventurous trekkers, with fundamental knowledge of the mountains, this trek provides a rare experience. The trek takes one from Nandanvan to Vasuki Tal after due acclimatization. There is a gradual ascent of 10 kms. Thereafter, the trek negotiates Kharapathar at a height of 5456 Mts., before camping at Kalindi base 5500 Mts. Crossing the Kalindi Pass, one treks down to Arwa Glacier and arwatal 3910 Mts. to Badrinath via Ghastoli with two rivers crossing on the way. Shri Raghavendra Tours & GMVN arranges this trek for 13 days, under normal weather conditions.

The Khatling Glacier is a lateral Glacier, at the source of river Bhilangana. Sahastratal and Masartal are on the west and east of it. The valley of Bhilangana affords a panoramic view of snow-capped peaks and hanging Glaciers, viz., Jogin group, kirti Stambha and Meru are subline and magnificent. The whole trek passes through thick forests and lush green meadows. In the rainy season, the meadows burst with splendid flowers. Trekkers will have to cross scores of small streams on improvised log bridges along this route.

Surrounded by the river Pushpavati and small streams, at an elevation ranging between 3000 to 4000 Mts., the valley is nearly 10 kms. In length and 2 kms. in width. The trek starts from Govindghat 19 kms. On the way to Badrinath, having two major gradients, one initially from Alaknanda suspension bridge of Govindghat to Pulna village for 2 kms, and the other from Bhundar to Ghangharia. After trekking 2 kms, from Ghangharia a bifurcation point is reached. The routes are well marked here.

At an elevation of 3566 Mts. Glittering peaks and dense forests surround it. The forecaster rich in wildlife and are a veritable paradise for bird watchers and nature lovers. The trek from Netwar to Osla is through dense forests of chestnuts, walnuts, willows and chinars. The trek from Osla to Har-ki-doon is through terraced mountain fields, lush green grassy land and conifer forests.