Walking in Italy's Stelvio National Park. Gillian Price

such as Düsseldorferhütte–Rifugio Serristori.

Plants and flowers

      Thanks to the variety of terrains and habitats it encompasses – from low-lying meadows through woods and scrub to high-altitude rock and icescapes – the Stelvio offers an incredible range of alpine plant life and some interesting examples of adaptation to harsh environments.

      The vast forests cloaking mid-altitude slopes are mostly conifer, dominated by the Arolla pine. This relies on the industrious nutcracker for its survival, as the voracious – and forgetful – bird hoards kernels in secluded rock crannies where the trees sprout and grow. Another coniferous tree seen throughout the park is the larch, which has lacy fronds; it is the only conifer to lose its needles in autumn. Its common companions are bushes of miniature rhododendrons or alpenrose with pink blooms, a delight in July. Scree slopes, on the other hand, are colonised by the hardy dwarf mountain pine, with springy branches that trap the snow.

      1) Autumn gentian; 2) Gorgeous tiny gentians; 3) Leopard’s bane

      Seemingly barren rock surfaces host myriad coloured lichen, which prepare the surface for hardy cushion plants such as the efficient ‘rock breaker’ saxifrage, with penetrating roots and tiny delicate blooms. Among the first flowers to appear on the edge of the snow line is the dainty fringed blue-violet alpine snowbell. The heat it releases as it breaks down carbohydrates actually melts the snow. Another early bloom is the perfumed sticky primrose, with petite clusters of deep purple. A lover of siliceous scree, the white or rarer pink glacier crowfoot grows close to glaciers, hence its name. The leaf cells contain a rich fluid that acts as an antifreeze.

      Elsewhere, stony grasslands with calcareous soil (from limestone or dolomite) are ideal for delicate, sweet-scented yellow Rhaetian poppies. Often found growing nearby are white star-shaped edelweiss, their leaves equipped with fine felt-like hairs which trap heat. Rocky terrain is also the home of the gentian, which comes as a gorgeous blue trumpet or tiny iridescent stars; there is also a showy yellow-spotted type and delicate mauve varieties in autumn. Eye-catching alpine moon daisies are a common sight on rock-strewn slopes, which they share with clumps of golden leopard’s bane and spidery creeping avens. Common alongside marshy lakes is fluffy white cotton grass, while purple or white insectivorous butterwort is found in damp places, often near streams. Pasture slopes and alpine meadows straight out of The Sound of Music are dotted with exquisite wine-red martagon lilies, delicate columbines and the tiny triangular-headed black vanilla orchids, which smell of cocoa. Flower picking is of course strictly forbidden.

      A valuable aid to identification is Alpine Flowers of Britain and Europe by C Grey-Wilson and M Blamey (Collins: 2nd edition, 2001); sadly, this is now out of print but is occasionally available second hand. The Rezia Alpine Botanical Garden in Bormio has labelled species and is open in summer.

Wildlife

      Many birds and animals that live at high altitudes have developed thick furry coats and plumage which even cover their legs and the contours of their beaks. Small air bubbles captured between the hairs or feathers can generate a layer of insulation that helps reduce heat loss.

      Majestic ibex dwell happily throughout the Stelvio

      One of the easiest animals for walkers to see is the alpine marmot. These furry beaver-like creatures live in burrow colonies on grass-rock terrain and hibernate from October to April. In summer they forage for sugary wildflowers, dashing back to safety when warned of danger by the shrill cry of a sentry. The widespread conifer woods provide shelter for roe deer and stately red deer, shy creatures best seen at dusk. They often leave hoof prints in the mud. Less intimidated by human presence are the magnificent ibex, which sport sturdy grooved horns – in males these can grow as long as 1m. Their hooves have a fold in the skin which allows them to grip the rocks. Reintroduced back in the 1960s, they happily dwell throughout the Stelvio. The highest mountain dweller of the ruminants is the fleet-footed chamois. A mountain goat with short curved horns like crochet hooks, it can be seen in herds clambering nimbly on impossibly steep cliffs.

      Alpine marmots colonise the grass-rock terrain

      Sightings of the brown bear have increased significantly in the area over the last few years. They wander into the Stelvio from neighbouring alpine regions in search of food, often causing alarm in villages where people are no longer used to their presence. To date, however, there is no evidence they have actually taken up residence in the park.

      The common viper has a distinct diamond pattern on its back

      There is a fair chance you may encounter a viper on paths, as these cold-blooded reptiles need to sun themselves. With a light grey-brown body and triangular head, the snakes grow to around 70–80cm long and can be distinguished by the elegant markings on their back: diamond-patterned in the case of the common viper (Vipera berus) or dark streaks for the rarer asp viper (Vipera aspis). They live on small rodents, which they swallow whole and take time digesting. Timid creatures, they will flee if surprised and only attack out of self-defence, so give them time to slither away as they will probably be lethargic. While their bite does contain venom, this is rarely fatal to humans (small children and the elderly are most at risk). In the unlikely event that someone is bitten, seek help immediately and keep the victim still and calm. Learn to identify a viper and distinguish it from non-venomous snakes.

      Birdwatchers will enjoy the sight of crag martins skimming alpine meadows and lakes in search of insects. Arolla pine forests, meanwhile, are the favourite habitat of the dappled, aptly named nutcracker, expert at cracking open pine nuts with its thick beak. From a perch at the top of the tree they also act as lookouts, their piercing squawk a clear warning for other inhabitants of the wood of potential danger. Higher up are alpine choughs, elegant crows with glossy black wings and yellow beaks; they perform entertaining aerial displays of acrobatics to the accompaniment of a noisy, chattering commentary. Choughs have the incredible knack of appearing out of nowhere at the mere rustle of a picnic bag, to beg for crumbs.

      On a larger scale are birds of prey such as kites, buzzards and the superb golden eagle, which has a wingspan that can reach 2.2m. These prey on small mammals such as hares and young marmots, but will also take birds. In winter the eagle has been known to scavenge the carcasses of animals such as chamois which have fallen victim to avalanches. This puts it in direct competition with the recently returned bearded vulture or Lammergeier, which also keeps an eye out for migrating birds which drop from exhaustion as they fly through the lower alpine passes in springtime on their way north. With a wingspan up to 2.8m, a body over 1m long and weighing in at 5–7kg, the bearded vulture is easily recognised, especially as its eyesight is poor so it often flies close to the ground. Its diet is composed of 80% bones, which it cracks open by dropping them from a height onto rocks. Successfully reintroduced across the Alps, it has made its home in the park. Check out the webcam in a nest in Val Zebrù: www.gipetostelvio.it is reality TV like you have never seen before.

      Wildlife lovers will especially enjoy Martelltal, Val Zebrù and Valle di Rabbi, where there are lots of animals that are relatively easy to spot. A final note: injured creatures are nursed back to recovery in the area faunistica (wildlife area) at Peio Fonti. Here visitors have better chances of seeing deer and other ruminants than out in the wild.

      One excellent guidebook is the Birds of Britain and Europe by B Bruun, H Delin and L Svensson (Hamlyn, 1992).

Valleys and bases

      We begin with the eastern section of the Stelvio National Park in Südtirol. A short way south of Meran/Merano is Lana, where Ultental/Val d’Ultimo breaks off southwest. A world apart – inhabited by descendants of migrants from a monastery in German Swabia – it is a rare traditional valley