Location and surroundings
Grignone lies in Italy, in Lombardy, within the municipality of Pasturo in the district of Lecco. It belongs to the wider chain Central European Highlands > Alps > Eastern Alps > Southern Limestone Alps > Bergamasque Alps and Prealps > Bergamasque Prealps. In this subrange it ranks 14th highest among 619 named peaks. The mountain rises above a varied setting of limestone ridges, wooded slopes, alpine turf and karst terrain.
The south-west side is steeper and more alpine in character, while the eastern flank descends more gently toward Valsassina. To the north, the terrain opens into the Moncodeno basin, a glacially shaped hollow known for caves and sinkholes. The summit area is also inside Parco Regionale della Grigna Settentrionale and the Grigne Special Protection Area.
Neighbouring peaks
- I Tre Sassi — 2,087 m, 1.2 km NW
- Monte Pilastro — 1,827 m, 3.2 km NW
- Grignetta — 2,177 m, 3.5 km S
- Monte Croce — 1,780 m, 3.6 km NW
- Colle di Balisio — 820 m, 5.4 km SE
- Zucco di Desio — 1,655 m, 7.3 km SE
- Monte Due Mani — 1,666 m, 7.7 km SE
- Monte San Martino — 1,046 m, 8.8 km S
These nearby summits and passes show how isolated Grignone is above the Lecco side of the range. It is higher than all of the listed neighbours, and the closest major companion peak is Grignetta to the south, lower by 233 m. The pass of Colle di Balisio gives a much lower access point on the south-east side.
The view from the summit
From Grignone, the highest peaks within 25 km include Monte Legnone to the north at 2,609 m, Pizzo dei Tre Signori to the north-east at 2,554 m, Pizzo Alto to the north at 2,512 m, Monte Rotondo to the north-east at 2,496 m, Pizzo Mellasc to the north-east at 2,465 m, and Monte Azzarini to the north-east at 2,431 m. These are the main higher summits in the wider skyline around the mountain.
The summit’s position above Lake Como and Valsassina gives it a broad outlook across the surrounding Alpine chains. On clear days, the more distant high peaks of the central and western Alps can also be part of the panorama, but the nearest major high points are the ones listed here.
The range
Grignone belongs to the Bergamasque Prealps, where the highest peak is Cima Della Bacchetta at 2,549 m, about 69 km to the east. The subrange contains 619 named peaks, and Grignone stands near the top of that list as the 14th highest. The range is part of the broader Alpine system in northern Italy.
This position makes Grignone one of the main high points of the Lecco Prealps, even though it is not the highest summit in the wider Bergamasque Prealps. Its prominence of 1,670 m also shows that it rises well above the surrounding valleys and passes.
Climbing routes
The normal ascent follows the eastern side from Pasturo, and the mountain is crossed or bordered by several marked routes: Traversata Alta delle Grigne, Via Guzzi, Cresta di Piancaformia - Rifugio Brioschi, Esino - Rifugio Brioschi, and Pasturo - Grignone (via estiva). The summit area is served by Rifugio Brioschi, which sits just below the top.
In summer, the usual route from Pasturo is generally treated as a hiking ascent, while in winter the mountain becomes a mountaineering objective. The south-west side is the most rugged and is better known for climbing terrain than for a straightforward walk-up.
Access and starting points
Pasturo is the usual starting village, about 4.2 km east of the summit. Other nearby settlements include Baiedo to the east, Primaluna to the north-east, and Cortenova to the north. The normal approach from Pasturo is the standard way to reach the mountain on foot, and the rough walking estimate from there is about 3–5 hours for roughly 5.5 km and 1,770 m of ascent.
Marked hiking routes over or next to the summit include Traversata Alta delle Grigne, Via Guzzi, Cresta di Piancaformia - Rifugio Brioschi, Esino - Rifugio Brioschi, and Pasturo - Grignone (via estiva). The summit area also has Rifugio Brioschi 30 m south-west, Bivacco Riva - Girani 1.0 km east, and Bivacco Imelde Manzini Sgheiz e Nicolò Penci 1.1 km west.
Climate and weather
These are estimates from NASA POWER climate data adjusted to summit elevation. At the top, the warmest month is July at about 10 °C, and the coldest is January at about -6 °C. Mean temperatures are above freezing from April to October. Around the mountain, annual precipitation is about 1,250 mm, with November the wettest month at about 150 mm and January the driest at about 55 mm.
At this height in the southern Alps, weather can change quickly, with fog, wind, summer thunderstorms and winter snow all common hazards. The exposed ridges around the summit can feel much colder than valley temperatures suggest, especially in cloud or after precipitation.
Best time to visit
The most practical season for a non-winter ascent is usually from late spring to early autumn, when summit temperatures are more likely to stay above freezing. On Grignone, the months with a mean above freezing at the summit are April, May, June, July, August, September and October. That still leaves plenty of room for cold mornings, wind and sudden weather changes.
For hikers, the drier part of the year is generally preferable, while the wetter late-autumn period can make the limestone paths slippery. In winter and early spring, snow and ice can turn the normal route into a mountaineering outing rather than a simple hike.
Nature and wildlife
The mountain combines limestone cliffs, alpine grassland, wooded lower slopes and a northern karst basin. The eastern side is more vegetated, while the south-western face is steeper and rockier. The Moncodeno area is especially known for caves, sinkholes and other karst features, which shape both drainage and the local landscape.
Protected status includes Parco Regionale della Grigna Settentrionale and the Grigne Special Protection Area. Typical wildlife in this part of the Alps includes chamois, foxes, marmots and birds of prey, while the higher ground supports hardy alpine plants adapted to thin soils and a short growing season.
Guides and organised ascents
For a summer hike on the normal route, many fit walkers go independently, but a certified mountain guide is sensible if you want to use steeper variants, travel in winter, or are unsure about snow, route-finding or exposed limestone terrain. In Italy, the national guide body is the National College of Italian Alpine Guides, which is an IFMGA/UIAGM member. The national alpine club is the Club Alpino Italiano.
Examples of established guiding companies in Italy include Società Guide Alpine Courmayeur and Società Guide Alpine del Cervino. A guided ascent usually depends on the route, season, group size, hut nights and equipment needs. For local planning, tourist offices in places such as Pasturo and Lecco are also useful starting points.
Safety and preparation
Grignone is a high pre-Alpine mountain, so even the normal route calls for mountain footwear, weather awareness and enough fitness for a long climb. Limestone terrain can be slippery when wet, and the upper slopes are exposed to wind, cloud and rapid temperature drops. In winter, snow and ice can make the mountain a serious mountaineering objective rather than a hike.
For mountain rescue in Italy, the emergency number is 112. Ask for Soccorso Alpino if you need mountain rescue. It is wise to carry layers, a map or offline navigation, and enough food and water for a full day.
History and name
Grignone is the common name for Grigna Settentrionale, the higher of the two Grigne. Older sources also mention the name Monte Coden. The summit area has long been associated with the Rifugio Brioschi, a historic refuge of the Lombard Prealps and a well-known landmark just below the top.
The mountain has also been important for alpinism and speleology. Its south-west face is known for climbing, while the northern Moncodeno side is famous for its caves and deep karst systems.
Interesting facts
Grignone has a prominence of 1,670 m, which makes it stand out strongly from the surrounding valleys. It is the 14th highest named peak in the Bergamasque Prealps, and the nearest higher major summit in the wider area is Monte Legnone to the north. The highest peak of the subrange, Cima Della Bacchetta, lies about 69 km to the east.
The mountain is also notable for its visibility: on clear days it can be seen across much of the Lombard plain. Its combination of a high summit, a historic hut, and a karst landscape makes it one of the most distinctive peaks in the Lecco area.
FAQ
How high is Grignone? Grignone rises to 2,410 m.
Where is Grignone located? It is in Italy, in Lombardy, in the municipality of Pasturo in the district of Lecco.
What range does Grignone belong to? It is part of the Bergamasque Prealps, within the wider Alps.
What are the nearest peaks to Grignone? The closest listed peaks are I Tre Sassi 1.2 km to the north-west, Monte Pilastro 3.2 km to the north-west, and Grignetta 3.5 km to the south.
Are there huts on Grignone? Yes: Rifugio Brioschi is an alpine hut 30 m south-west of the summit, Bivacco Riva - Girani is 1.0 km east, and Bivacco Imelde Manzini Sgheiz e Nicolò Penci is 1.1 km west.
Is there water on the way to Grignone? A drinking-water point is mapped about 1.0 km east of the summit. Higher up, water is limited, so on a day hike it is sensible to carry about 1.5-3 litres depending on heat and route length.
How long does it take to walk up from Pasturo? The rough estimate from Pasturo is about 3–5 hours for roughly 5.5 km and 1,770 m of ascent; the real path may take longer depending on conditions.
Is mobile phone coverage reliable on Grignone? There are 17 mapped communication masts within 10 km, with the nearest about 4.3 km to the north-east. On an open summit a signal is likely, but it can fail in valleys and behind ridges. 112 reaches emergency services over any available network, and maps should be downloaded before setting out.