Cat 2 ZA-103

Laguna de los Peces via San Martín de Castañeda

Castille and Leon, spain

The ZA-103 rises 15.9km through wooded valleys and open mountainside, gaining 718m to 1,723m. Averaging 4.5%, the road kicks to 8.5% at its steepest — a notable steepening that demands respect. 10 hairpins punctuate the ascent, offering brief respite in the corners before the gradient bites again. The road reaches 1,723m — high enough to feel the altitude on tired legs. Located in Castille and Leon, Spain.

  • Higher summit than 97% of climbs in Spain.
  • Longer than 94% of climbs in Castille and Leon.
  • 10 hairpin bends punctuate the climb, each switchback offering a moment to regroup.
  • At 1,723m, the summit is high enough to feel the altitude on tired legs.

Laguna de los Peces via San Martín de Castañeda

Castille and Leon, spain

15.9km 718m 4.5%
2

Distance

15.9km

Avg Gradient

4.5%

Max Gradient

8.5%

Elevation Gain

718m

Summit

1,723m

Wall Rating

4.3

What things cost

Typical prices in Spain

€1.70

Coffee

€3.00

Beer

€11.00

Meal

€1.00

Water

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