Stage 4 of the 2025 La Vuelta Ciclista a España is a medium mountain stage that will take place on .
The stage starts in Susa and finishes in Voiron, starting at with an expected finish at (average speed of 41 km/h).
The total distance of the stage is 206.5 km. The stage includes 3 categorized climb(s) and 1 intermediate sprint(s), and has a total elevation gain of 2683 m, and a total descent of -2872 m.
The stage includes 3 categorized climb(s) and 1 intermediate sprint(s).
The neutral start for this stage is 6.1 km long with an average gradient of 4.1%.
Puerto Exilles is a KOM cat. 3 climb, which starts at 4.9 km (195.5 km to go) and ends at 10.4 km (190 km to go). It has total distance of 5.5 km, and an average gradient of 5.6%, going from 777 to 1088 meters of altitude.
Col de Montgenévre is a KOM cat. 2 climb, which starts at 29.5 km (170.9 km to go) and ends at 37.8 km (162.6 km to go). It has total distance of 8.3 km, and an average gradient of 6%, going from 1358 to 1853 meters of altitude.
Col du Lautaret is a KOM cat. 2 climb, which starts at 63.1 km (137.3 km to go) and ends at 76.8 km (123.6 km to go). It has total distance of 13.7 km, and an average gradient of 4.3%, going from 1470 to 2059 meters of altitude.
Noyarey is a Sprint at 174.5 km (25.9 km to go).
Noyarey is a Bonus sprint at 174.5 km (25.9 km to go).
The final 3 km for this stage starts at 203.5 km, has an average gradient of 1.3%, reaching 308 m of altitude.