K2 Base Camp Trek: Map, Routes, Daily Distances & Altitude
Preparing for the K2 Base Camp Trek means understanding not just how beautiful the route is, but also how demanding it can be. This trek takes you deep into the Karakoram Mountains of Pakistan, where distances are long, altitudes rise high, and the terrain is rugged.
K2 Trek Route
Classic K2 Base Camp Trek via Askoli and Return
The classic K2 Base Camp trek begins from Askoli, the last village of the Shigar Valley accessible by jeep from Skardu. From here, the route follows the Baltoro Glacier, passing through camps such as Paiju, Urdukas, Goro II, and finally reaching Concordia, widely regarded as one of the most spectacular mountain junctions in the world. At Concordia, trekkers are surrounded by giants including K2, Broad Peak, and the Gasherbrums. A side excursion leads to K2 Base Camp before retracing the same path back to Askoli.
This route is considered the standard and most popular option because it allows gradual acclimatization and follows a well-established trail. Trekkers return along the same Baltoro Glacier route, enjoying familiar landscapes from a different perspective. After reaching Askoli, the journey concludes with a drive back to Skardu.
K2 Base Camp with Gondogoro La Crossing
The second major option combines the K2 Base Camp trek with a crossing of Gondogoro La Pass, creating a complete traverse rather than a return journey. After visiting K2 Base Camp and returning to Concordia, trekkers proceed toward Ali Camp and prepare for an early morning crossing of Gondogoro La, which stands at approximately 5,600 meters. The ascent and descent involve steep snow and ice slopes, often supported by fixed ropes, making this route more physically demanding.
After crossing the pass, the trail descends into the Hushe Valley, offering entirely new scenery including alpine meadows and traditional Balti villages. This variation is suitable for experienced trekkers seeking a more adventurous and technically challenging experience. Like the classic route, the trek ultimately finishes in Skardu, but it offers a more diverse and rewarding circuit through the heart of the Karakoram.
What to Expect on This Epic Trek
Before you start trekking, focus your training on three main areas:
1. Daily Walking Distance
On many days you’ll cover anywhere from about 6 km to over 20 km, depending on the route section and altitude change. Distances vary because some days are dedicated to just getting closer to the glacier edge, while others take you into dramatic mountain landscapes.
2. Altitude Challenges
Every day gradually increases in elevation, and on some days, you’ll gain several hundred meters in altitude. The highest point of the trek, K2 Base Camp itself, is above ~5,100 meters (16,700 ft).
Training on hills with a packed backpack is great preparation because the air gets thinner as you climb higher.
3. Mental and Physical Endurance
This trek isn’t just about strength — it’s about pacing, acclimatization, and stamina. The trail can be rocky, uneven, and exposed to weather changes, so being mentally prepared for long, steady walking days is essential.
Daily Distance & Altitude Breakdown
Day 1: Askole → Jhola
Distance: ~20 km
Altitude Gain: 3,040 m → 3,160 m
Walking Time: 6–8 hours
A gradual start along the Braldu River. Terrain is mostly dry and rocky, with modest elevation gain.
Day 2: Jhola → Paju
Distance: ~20.5 km
Altitude: ~3,400 m
Walking Time: 7–8 hours
Long but steady. Paju Camp offers the first dramatic views of the Baltoro region.
Day 3: Paju → Khoburtse
Distance: ~14–15 km
Altitude: ~3,800 m
Walking Time: 5–6 hours
You step onto the Baltoro Glacier. Terrain becomes uneven with moraine walking.
Day 4: Khoburtse → Urdukas
Distance: ~6–7 km
Altitude: ~4,000 m
Walking Time: 4–5 hours
Shorter distance but more elevation. Urdukas is the last grassy campsite before the upper glacier.
Day 5: Urdukas → Goro II
Distance: ~12 km
Altitude: ~4,300 m
Walking Time: 7–8 hours
A demanding glacier day. Thin air becomes noticeable.
Day 6: Goro II → Concordia
Distance: ~11–12 km
Altitude: ~4,691 m
Walking Time: 4–6 hours
A visually overwhelming day surrounded by 8,000-meter peaks. Altitude adaptation is critical.
Day 7: Concordia → K2 Base Camp
Distance: ~11–12 km
Altitude: ~5,100 m
Walking Time: 5–7 hours
The final stretch across glacier terrain. The pyramid of K2 rises ahead as you approach base camp.
Summary Table
| Day | Route | Distance | Start Alt. | End Alt. | Gain |
|---|---|---|---|---|---|
| 1 | Askole → Jhola | 20 km | 3,040 m | 3,160 m | +120 m |
| 2 | Jhola → Paju | 20.5 km | 3,160 m | 3,400 m | +240 m |
| 3 | Paju → Khoburtse | 14.5 km | 3,400 m | 3,800 m | +400 m |
| 4 | Khoburtse → Urdukas | 6.5 km | 3,800 m | 4,000 m | +200 m |
| 5 | Urdukas → Goro II | 12 km | 4,000 m | 4,300 m | +300 m |
| 6 | Goro II → Concordia | 11.5 km | 4,300 m | 4,691 m | +391 m |
| 7 | Concordia → K2 BC | 11.5 km | 4,691 m | 5,100 m | +409 m |