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GHNP Tirth Source Trek Itinerary — Day by Day Route & Camps
An immersive 8-day deep-forest expedition following the Tirthan River to its glacial source.
Standard RouteThis is the standard mountain pacing for this trek. Specific operators may add an acclimatization day or alter the starting point. Check individual operator schedules for their exact logistics.
Duration
8 Days
Total Distance
79 KM
Max Altitude
14,500 FT
Trek Type
linear
Permits Required Before You Go
Permit Cost
Where to Get
GHNP Wildlife Warden Office, Shamshi, Kullu (apply 4-6 weeks in advance)
Documents
Aadhar/Passport, Medical fitness certificate, GHNP form with certified guide countersignature, Detailed expedition plan
Foreign Nationals
Additional premium permit rate. May require expedition documentation from home country national park authority.
Foreigner Process
Higher rate GHNP expedition permit. Passport mandatory for all GHNP documentation.
Nearest Embassy Hub
Kullu / Shimla / New Delhi
Day by Day Breakdown
Camp Alt
7,100 ft
Day Gain
+700 ft
Reach Rolla
The relaxed river walk from Gushaini to Rolla. Register permits/checkpoint formalities at the Rolla forest post if required by current GHNP regulations.
Key Landmarks
Staying At
The Gushaini settlement leads into a forested trail following the Tirthan river gorge.
Field Notes
KEY ACTIONRiver Crossings
Plan to cross early in the day before snowmelt swells the water levels. Unclip backpack waist belts before crossing.
Camp Alt
10,200 ft
Day Gain
+3,100 ft
Reach Shilt Hut
The root-forest ascent to Shilt Hut — 3,100 ft in 6 km. The most physically demanding day of the whole expedition.
Key Landmarks
Staying At
The trail follows the mountain river corridor through a narrow, forested gorge, moving past traditional settlements into increasingly dense dense forested valleys.
Camp Alt
11,500 ft
Day Gain
+1,300 ft
Reach Upper Basin Camp via Rakhundi Top
Summit Rakhundi Top in the morning, then descend and continue north into the upper Tirthan valley — entering terrain seen by very few outsiders.
Key Landmarks
Staying At
Tree line disappears as the valley broadens into a spectacular high-altitude alpine meadow basin, replacing the dense forests with expansive grazing pastures.
Camp Alt
11,500 ft
Day Gain
0 ft
Today's Objective
☕ Acclimatization & Recovery
Rest and acclimatization day. Short exploration walks. Monitor blood oxygen readings. Wildlife observation in the pristine upper valley.
Key Landmarks
Staying At
The team holds position within the alpine meadow basin, monitoring weather patterns and adapting to the thinning atmosphere.
Camp Alt
13,800 ft
Day Gain
+2,300 ft
Reach High Camp
Enter the upper glacial basin. The Tirthan river braids into multiple channels here — each feeding from a different glacier lobe. Camp at a high, protected moraine shelf.
Key Landmarks
Staying At
The upper valley gives way to a rocky approach toward the Tirthan river source.
Field Notes
KEY ACTIONRiver Crossings
Plan to cross early in the day before snowmelt swells the water levels. Unclip backpack waist belts before crossing.
Use Trekking Poles
Trekking poles are highly recommended to save your knees on the descent.
INFOSlower Progress
Progress will be significantly slower and more taxing on your ankles than trail distance suggests.
Camp Alt
13,800 ft
Day Gain
0 ft
Today's Objective
🏔 Summit Tirthan River Source
The destination day. Explore the upper glacial basin feeding the Tirthan river system before returning to high camp. The visual and spiritual impact of standing at the source of a river you have followed for 6 days is profound. Return same day to high camp.
Key Landmarks
Staying At
The route navigates the rocky basin marking the geographical origin of the Tirthan river.
Field Notes
KEY ACTIONRiver Crossings
Plan to cross early in the day before snowmelt swells the water levels. Unclip backpack waist belts before crossing.
Camp Alt
10,200 ft
Day Gain
-3,600 ft
Descend to Shilt Hut
Long continuous descent following the Tirthan river back down to Shilt Hut.
Key Landmarks
The high alpine meadows narrow into forested river terraces as tree line vegetation reappears in the lower mountain river corridor.
Field Notes
KEY ACTIONRiver Crossings
Plan to cross early in the day before snowmelt swells the water levels. Unclip backpack waist belts before crossing.
Camp Alt
6,400 ft
Day Gain
-3,800 ft
Descend to Gushaini
Return to Gushaini Village
Key Landmarks
The high alpine meadows narrow into forested river terraces as tree line vegetation reappears in the lower mountain river corridor.
Field Notes
KEY ACTIONRiver Crossings
Plan to cross early in the day before snowmelt swells the water levels. Unclip backpack waist belts before crossing.
Trek Extensions & Add-ons
Upper Tirthan Pass Crossing
+5 DaysFrom the upper basin, experienced expedition teams can cross a high-altitude pass into the Parvati valley or the Kullu-Spiti divide with additional special permits.
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