Formigal Panticosa is the largest ski domain in Spain, with 147 runs covering 182 kilometres of piste in the Tena valley, from 1,145 metres to 2,265 metres. The vertical is 1,120 metres, and the grading tilts towards the harder end: 37% advanced and 29% expert, 27% intermediate and only 7% beginner. Formigal itself is arranged in four valleys, Sextas, Sarrios, Anayet and Portalet, each with its own base, while quieter Panticosa sits close by and is marketed alongside it. Expect plenty of variety, but not many easy ways home.

Tres Hombres is the signature slope, a steep, emblematic piste above Formigal, while the run from the Tres Hombres summit down to Sextas stretches about six kilometres. The Portalet sector holds Infierno, the resort's toughest piste, and advanced skiers will find the open bowls around Anayet and Sarrios rewarding after fresh snow. Panticosa, by contrast, is mellower and suits families or anyone building confidence. Freeriders should treat the off-piste as serious terrain and hire a guide. With so many lifts and valleys, it suits strong skiers who want a week of different pistes.

Formigal Panticosa operates from mid-December through late April, with the 2025/26 season running 13 December to 21 April. The resort records an average annual snowfall of around 5 metres, with snow depths typically peaking in March — historically the snowiest month — when the western Pyrenees receives its heaviest late-season accumulations. The north and northeast-facing aspect across the majority of Formigal's four valleys plays a significant role in snow preservation, shading slopes from direct afternoon sun and maintaining cold, dry snow quality through the mid and late season. Current base depth for 2025/26 stands at 300cm with a season total of 475cm, figures that reflect a consistent winter across the Aragonese Pyrenees.

The altitude range of the ski area — with the majority of terrain sitting between 1,900m and 2,265m — means conditions across the upper mountain hold well into spring even when lower base areas begin to soften. March delivers the best average snow depth at both summit and base elevations, making it the optimal window for those prioritising cover and quality simultaneously. The Sabocos sector in Panticosa is particularly well regarded for powder accumulation after storms, collecting and holding snow in a configuration that consistently produces some of the deepest deposits in the combined domain. The resort's free shuttle system means conditions across all six valleys can be assessed and skied on any given day without the need to repark or reposition.