Climbing at Baltzola

59 routes and boulders on 1 wall, 6b+–9a · boulders 8A+–8C+. In Vizcaya, Basque Country. When the rock grips hour by hour, topos and people to climb with, in the app.

See the Friction Score in the app The grades

Routes and boulders

Walls

Grades

6b+–9a · boulders 8A+–8C+

Style

Sport

Best season (estimated)

April–May · September–October

// History

Baltzola, year by year

2004Yuji Hirayama onsights White Zombie (8c) at Baltzola, the first 8c onsight in history. Wikipedia (en)
2024Ainhize Belar redpoints Iñi Ameriketan (9a+) at Baltzola, becoming the first Spanish woman to climb 9a+. El Español

// The grades

What grades are there?

Routes by grade

From 6b+ to 9a. Half are between 7c+ and 8c.

Boulders by grade

From 8A+ to 8C+. Half are between 8B and 8C+.

Each climb counts at its grade; ungraded ones are left out. In the app you can switch to YDS, V-scale, UIAA or British grades.

// The walls

Sun and shade

Mostly south-facing: sun for much of the day. A winter crag; in summer, go early or late.

North0 sectorsNortheast0 sectorsEast0 sectorsSoutheast0 sectorsSouth0 sectorsSouthwest1 sectorWest0 sectorsNorthwest0 sectors

Estimated best season: April–May · September–October. Worked out from each wall's aspect and the latitude; the app fine-tunes it with what climbers log.

South-facing wall

S · aspect 180°

Example

Excellent

★ best at 6 PM

12a6a12p6p11p

57°

Temp

41%

Humidity

Wind

Sun

Wall

Friction ScoreHow the rock grips, hour by hour and wall by wall. In the app, for every crag on the map. See it in the app →ILLUSTRATIVE EXAMPLE

// From the air

Baltzola from above

Aerial photo of the Baltzola area — 1 wall in this area. Each one, with its approach and topo, in the app. Orthophoto: PNOA courtesy of © Instituto Geográfico Nacional (CC BY 4.0).

// Where it is

On the map

BASQUE COUNTRY · 33 CRAGS WITHIN 25 MI · Orthophoto: PNOA courtesy of © Instituto Geográfico Nacional (CC BY 4.0).

// Nearby

Crags nearby

01Lamindano4b–7b+ · Limestone · Sport2 mi · 43 routes 02Mugarra4c–9a · Sport3 mi · 50 routes 03Untzillaitz-Sur4a–8a · Sport4 mi · 288 routes 04Saukuko Behekoa Behekoaldea5b–6c+ · Limestone · Sport4 mi · 27 routes 05Atxarte4–9a · Limestone · Sport5 mi · 272 routes 06Lepia7a–8a · Sport6 mi · 7 routes 07Ametzorbe4c–7a · Sport8 mi · 47 routes 08Besaide5a–7b · Sport10 mi · 23 routes

// The Friction Score for every crag

Climb more. Guess less.

When the rock grips, hour by hour and wall by wall; topos, your logbook and people to climb with. In your units (°F or °C) and your grades (YDS or French). The social side is free, always.