Manali-Solang Nallah-Dhundi-Shagara Dugh-Marrhi-Kothi-Manali Trek
Day 01: Manali to Solang Nallah
Day 02: Day 02: Solang Nallah to Dhundi
Day 03: Dhundi to Shagara Dugh (3,600m)
Day 04: Shagara Dugh to Marrhi (3,080m)
Day 05: Marrhi to Kothi
One loses height upto Rahalla where there is a beautiful waterfall, and then one walks along the river Beas to Kothi which has rocky cliffs on the site and dense forest of Deodar and Pine on the Other.
Day 06: Kothi to Manali
Passes through Palchan Village and on the way there is a cold water spring.
Note : It is possible to drive from Marrhi to Manali on the same day. 
Some other Manali Tours
Manali - Keyong - Udeypur -Manali Trek
Manali - Chikka - Hamta Pass - Sarotu - Bhanara - Jagatsukh - Manali Trek
Wilderness Trek Across Baralacha  Through Chandratal Trek 
Manali to Solang Valley Trek
Chandrakhani Pass To Malana Trek 
Manali - Vashisht - Bhrigu - Manali Trek 
Manali - Solang Nallah - Dhundi - Shagara Dugh - Marrhi - Kothi -Manali Trek 
Raison - Malana - Chandrakhani  Pass - Raison Trek
Manali - Keylong (via) Chandratal Trek