Also known as: Concordia trek
K2 Base Camp - up the mighty Baltoro glacier past Trango Towers and Broad Peak to the foot of K2, with the Concordia amphitheatre

The line through Karakoram (Baltoro), Pakistan - waypoints, elevation and the day-by-day shape of the walk.
Road end
Baltoro glacier snout
Trango Towers view
K2 amphitheatre
Foot of K2
Roped high-pass exit
Jun-Aug
Cold, storms, glacier hazards, altitude
Jun-Aug only; a licensed operator, permits and a military NOC are required; glacier travel and altitude. Confirm.
The Baltoro glacier, moraine, and (optionally) the Gondogoro La with fixed ropes
Non-technical walking/hiking; confirm any exposed or scrambly sections locally
Marked/waymarked route; navigation generally straightforward - carry a map and confirm locally
Suitable for reasonably fit hikers; not wheelchair accessible - confirm specifics
A popular, well-known route - busier in peak season
Out-and-back the Baltoro, or exit over the Gondogoro La (harder)
Askole, from Skardu
Point-to-point may need transport between ends - confirm
Camping (Paiju, Concordia, Ali Camp); no huts
Layered outdoor kit, sturdy footwear, sun/rain protection, ample water; patchy mobile coverage - carry a map/PLB where remote
Services in Skardu; limited or none on the trail
Mandatory licensed operator/guide/porter team
A licensed operator, permits and a military NOC; the Gondogoro La is an optional roped exit. Confirm.
Permits and operators change - confirm before booking.
Altitude illness is the main risk at these elevations - acclimatize, ascend slowly, know the descent rule; glacier travel/crevasses, the Gondogoro La ropes, cold, remoteness
Retrace the route to exit; dial local emergency services; carry a means of calling for help where remote
This profile is desk research, compiled from public sources - not a first-hand trail report. Coordinates are approximate.