Stage 4 · 25 August 2026Andorra la Vella → Andorra la Vella
104.8 kmMountain
Port d'Envalira (2,408 m) is the race's high point.
Observed conditions from the ERA5 reanalysis archive.
Observed heat snapshot
25.7°Cpeak in the race window
●Moderate low-risk · 21°C WBGT (est.)Schematic — real elevation, approximate route between known points, not survey-accurate. Fill colored by temperature.
- Andorra la Vella (start)25.7°C●Moderate low-risk · 21°C WBGT (est.)
- Port d'Envalira (col)15.9°C●Very low-risk · 14°C WBGT (est.)
- Collada de Beixalís (mid)19.5°C●Low-risk · 17°C WBGT (est.)
- Andorra la Vella (finish)25.7°C●Moderate low-risk · 21°C WBGT (est.)
- Encamp22.8°C●Moderate low-risk · 20°C WBGT (est.)
- El Tarter19.9°C●Low-risk · 17°C WBGT (est.)
- Pas de la Casa17.9°C●Very low-risk · 15°C WBGT (est.)
- El Tarter (2nd pass)19.9°C●Low-risk · 17°C WBGT (est.)
- Encamp (2nd pass)22.8°C●Moderate low-risk · 20°C WBGT (est.)
- Ordino21.0°C●Moderate low-risk · 18°C WBGT (est.)
Decade trend — deviation from the 50-year mean at this location
21.4°C'74–'83
23.9°C'84–'93
24.0°C'94–'03
24.5°C'04–'13
25.5°C'14–'23
A day this hot (≥25.7°C, ERA5 at this location) occurred 7× in 1974-1983 vs. 77× in 2014-2023.
WBGT is an estimate — see methodology. Data as of 2026-09-14T01:03:42.706Z.
Climbs
- Port d'Envalira23.3 km @ 5.1% · 2400 m
- Collada de Beixalís6.5 km @ 8.5% · 1791 m
- Coll d'Ordino9.9 km @ 7% · 1974 m
- Alto de la Comella3.9 km @ 5.9% · 1341 m