Sleeping Bags for Kilimanjaro: Temperature Ratings
Sarah K.
Gear & Logistics Specialist
Ensuring you stay warm during those freezing alpine nights. Understanding European Norm (EN) ratings for extreme high-altitude camping.
"Recovery happens in the horizontal position at night. The cold is your worst enemy."
Temperature Ratings: What you Need
Don't trust the "Extreme" rating on sleeping bags. Look for the **"Comfort" rating**. At 4,000 to 5,000 meters, overnight temperatures inside your tent will easily drop to **-10°C to -15°C (14°F to 5°F)**.
Winter Bags (4-Season)
We strongly recommend a **-20°C (0°F)** rated down-filled sleeping bag. While it may be overkill on Day 1, you will be thanking us on the night at Barafu or Kibo Camp.
Sleeping Liners
If your bag isn't warm enough, or if you're using a rental, a **silk or thermal liner** adds an extra 3°C to 5°C of warmth and keeps your bag cleaner.
Choosing Down vs. Synthetic
**Down** is lighter and more compressible, but it loses its warmth when wet. **Synthetic** is heavier but stays warm even in humid conditions. Given that your duffel is carried by porters, the extra weight of synthetic isn't a dealbreaker, but the warmth of down is unparalleled.
The Sleep System: Don't forget the Pad
Most of your heat loss occurs through the cold mountain ground. We provide thick foam sleeping pads on all treks, but if you want extra comfort, an inflatable **Therm-a-Rest (NeoAir)** is a game changer for rest.
Expert Tips for Warmth
- Wear clean, dry wool socks to bed. Never wear the ones you hiked in.
- Put a hot water bottle inside your bag 20 minutes before sleeping.
- Keep your "summit clothes" inside the bag to pre-warm them for the morning.
See the full gear suggestions in our Ultimate Packing List.