Destination Guide
Cycling in Southern Passes
Southern Andorra: Coll de la Gallina — the hardest climb in Andorra at 8.7% average — plus Creu de Batlle and gravel into the Spanish Pyrenean frontier.
The southern zone of Andorra, anchored by Sant Julià de Lòria — the country's southernmost parish at 909m — is the principality's most demanding climbing territory in terms of raw gradient. Coll de la Gallina, rising from below 900m to 1,910m in 12km, averages 8.7% and reaches 13.8% on the defining central section, making it the hardest sustained ascent in Andorra and one of the most demanding HC climbs in the eastern Pyrenees. The 2015 Vuelta a España used it as a summit finish stage, which brought it to the attention of the professional peloton, but the climb remains largely unknown outside Andorra — an extraordinary oversight given that its gradient character places it above many celebrated Spanish climbs in terms of difficulty.
Last updated: 15 Mar 2026
- Terrain
- Road, Climbing, Gravel
- Difficulty
- Challenging — Expert
- Road Quality
- Good
- Cycling Culture
- Moderate
- Traffic
- Very Low
Pro Cycling Connection
Coll de la Gallina hosted a 2015 Vuelta a España summit finish. The southern zone is used by Andorra-based professionals for strength-building sessions on account of its gradient severity at lower alt...
Best Time to Cycle in Southern Passes
The southern passes are accessible earlier than the northern HC climbs — Coll de la Gallina clears of winter conditions by late April in most years, and the lower start elevation of both climbs means cold temperatures are less of a constraint than at...
Temperature: -5°C (winter) to 28°C (summer)
Best Cycling Climbs in Southern Passes
Coll de la Gallina
12km · 1047m · 8.7% · HC
Coll de la Gallina is the hardest climb in Andorra and one of the most demanding HC ascents in the entire Pyrenean range: 12km at 8.7% average with maximum gradients of 13.8% on the central section, rising from 863m below Sant Julià de Lòria to 1,910m at the col — a 1,047m elevation gain on a road that gives no quarter to the unprepared rider. The climb was virtually unknown outside Andorra before the 2015 Vuelta a España used it as a summit finish stage, an occasion on which the professional peloton was shattered by the gradient and the result went to a specialist climber who had specifically prepared for this kind of punishing, sustained wall effort. The lower section from the start near Sant Julià follows the Valira del Sud gorge on a road that is steep from the first pedal stroke — there is no gentle introduction here, no graded warm-up ramp. The middle section between 4km and 8km contains the 13.8% maximum on a series of tight hairpins above the gorge, the road doubling back at gradients that require standing regardless of fitness level. The upper section from 8km eases to a sustained 7–9% through open pasture terrain as the altitude begins to compound the gradient stress, and the col arrives not as relief but as a continuation of the sustained effort finally running out of mountain to climb.
Creu de Batlle
6.8km · 520m · 7.6% · CAT1
Creu de Batlle is the secret of southern Andorra cycling — a 6.8km Category 1 ascent from 1,410m to 1,930m that appears on no "best of" list in any language, receives perhaps thirty cyclists per week in peak season, and delivers a quality of high-altitude Pyrenean mountain cycling that the celebrated passes cannot offer precisely because of their celebrity. The climb begins at an unmarked junction in the southern parish of Sant Julià de Lòria on a road whose only indication of significance is the gradient: 7.6% from the first pedal stroke on a narrow sealed lane that penetrates the upper pasture terrain above the valley. The road surface is sealed throughout but narrows to single-track width in the upper section above 1,700m, the tarmac ending at a small col marker at 1,930m where a stone cross — the Creu de Batlle, "the cross of the pass" — stands without ceremony at a location that sees virtually no tourist infrastructure and no commercial activity. The 12% maximum gradient arrives in the mid-section on a series of short, steep ramps through high-altitude forest that require commitment without becoming a sustained wall. The summit view south into Spain — the Pyrenean frontier ridge running east-west at 2,200m, the Spanish valleys descending below — is one of the finest available from the southern zone.
Port de Rat
7km · 420m · 6% · CAT2
The Port de Rat is Andorra's southern border pass — a 7km ascent that rises from the upper Madriu valley at 1,490m to the Franco-Spanish frontier col at 1,910m on the Pyrenean watershed that marks Andorra's southern limit with the Spanish province of Lleida. The Port de Rat is the least-ridden of Andorra's significant cycling passes and the most geographically isolated: the approach road from Sant Julia de Loria, Andorra's southernmost parish, runs through terrain that becomes progressively more remote and uninhabited as the valley narrows, and the summit col itself sits on a ridge that in clear weather commands views simultaneously over the Catalan Pre-Pyrenees to the south and the full length of the Andorran valley system to the north. At 6.0% average with an 11% maximum, the Cat 2 classification is earned through a combination of the 420m elevation gain, the altitude range (1,490–1,910m), and the length: 7km at consistent 5–7% with a single harder section in the final 2km tests both aerobic capacity and pacing discipline in the way that matters most on Andorran roads. The gradient structure is progressive: the lower 3km average 4–5% through the Madriu valley on a road that follows the Riu Madriu (which gives the Madriu-Perafita-Claror valley its name — the valley is a UNESCO World Heritage Site for its cultural landscape of Pyrenean pastoral heritage) at a gentle pace that allows thorough warm-up before the sustained 6–7% middle section from km 3 to km 5 and the 11% ramp from km 5 to the col. Professional teams conducting Andorran altitude camps incorporate the Port de Rat as a quieter, more reflective alternative to the heavily-used Port d'Envalira and Arcalis routes: the isolation and the UNESCO World Heritage landscape context make it a psychologically different experience from the busier tourist roads. The Yates brothers (Simon and Adam), who are among several British professional riders resident in Andorra, have been observed training on the southern valley roads that include the Port de Rat approach.
Insider Tips
Coll de la Gallina is the most physically demanding climb in Andorra and should not be attempted until you have completed at least two full days of altitude acclimatisation. The 13...
Creu de Batlle is the secret climb of Andorra — a genuine Category 1 ascent that appears on no "best of" list in English, receives perhaps 30 cyclists per week in peak season, and...
The Spanish border crossing at the foot of the approaches to Coll de la Gallina and in the wider southern zone involves no formality — the Schengen area means riders can cross free...
How to Get to Southern Passes for Cycling
Getting around: Car Recommended
Sant Julià de Lòria, at 909m, is the practical base for the southern passes and has a small selection of hotels and restaurants serving the town's Andorran residents rather than a tourist trade. The C...