Where to spot
45 trails where Alpine aster is listed in flora/fauna: difficulty T–EE, elevation gain 36–1900 m.
45 · 0.8–13.9 km · +36–1900 m
Valle del Gran San Bernardo
From Allein village, the climb to Mont Saron crosses forest, alpine pastures and a summit ridge on the watershed between Gran San Bernardo and Valpelline: 1434 m ascent for fit hikers.
Val Veny
11 km · +1555 m · E — from Balme to Col du Berrio Blanc (Rhêmes Valley).
Valle di Champorcher
13.9 km · +1540 m · E — from Barche to Grand Alpe (Lys Valley).
Val di Cogne
A short high-altitude climb from the Gontier bivouac to Col du Tradzo, at 2,875 metres, on the buttresses of the Gran Paradiso National Park.
Val d'Ayas
Vallone delle Cime Bianche, commune of Ayas: an EE route through one of the most pristine high-altitude environments of the Val d'Ayas.
Valtournenche
1 km · +136 m · E — from Breuil to Cielo Alto (Central Valley).
Val di Rhêmes
2.6 km · +472 m · E — from Bruil to Chaussettaz (Great St Bernard Valley).
Valle centrale
9.1 km · +949 m · E — from Challancin to Col Fetita (La Thuile).
Valle centrale
1.7 km · +213 m · E — from Chamolé to Col Replan (Cogne Valley).
Val di Cogne
5.1 km · +904 m · E — from Champlong to Taveronaz (Lys Valley).
Valle di Champorcher
2.7 km · +567 m · E — from Chardonney to Bec de Monpey (Valtournenche).
Valle centrale
7 km · +1299 m · E — from Chenaux to Arpisson (Lys Valley).
Valle centrale
1.7 km · +446 m · E — from Chevrère to Poignon (confine comunale Villeneuve) (Lys Valley).
Valpelline
From Chez-Chenoux the trail quickly clears the forest belt and opens onto the Comba di Vertsan pastures, climbing to the ruins of Alpe Chardonney (2519 m) in the quiet upper Valpelline.
Val d'Ayas
2.7 km · +674 m · E — from Corbet to Alpe Boussolaz (Central Valley).
Valle centrale
From Costablinaz to Lac d’Arpy (trail 14), Morgex: 6.1 km, +611 m, E. A balcony lake facing Mont Blanc.
Valle centrale
6.6 km · +880 m · E — from Druges to Col de Crotey (Great St Bernard Valley).
Valpelline
8.6 km · +1369 m · EE — from Etirol to Col de Fort (Valpelline).
Valle del Lys
Upper Val d'Ayas, Brusson: a route through high-altitude meadows and rock.
Valgrisenche
From Grand Haury the route climbs through forest and alpine meadow to the Alpe di Boregne pasture plateau at the foot of Becca Verconey in a quiet Valgrisenche side valley.
Valle del Lys
7.2 km · +1036 m · E — from Gressoney-la-Trinité to Colle Bettaforca (Lys Valley).
La Thuile
From La Clusaz (1,660 m) to the high-alpine Pas de Planaval (3,013 m) in the Valdigne: 7.5 km and 1,356 m of ascent, EE difficulty.
Valle centrale
7.4 km · +1084 m · E — from Lignan to Bivacco Rosaire Clermont (Valpelline).
Valle di Champorcher
5.2 km · +1204 m · EE — from Maisonnasse to Col de Raye Chevrère (Lys Valley).
Valle del Lys
4.9 km · +1393 m · EE — from Obrò Biela to Passo di Rissuolo (Champorcher Valley).
Valpelline
6.1 km · +1205 m · E — from Capoluogo to Bivacco Regondi (Valpelline).
Valtournenche
7.2 km · +1422 m · EE — from Paquier to Becca d'Aran (Central Valley).
Val Ferret
2.3 km · +378 m · EE — from Pavillon to Morena Thoula (Great St Bernard Valley).
Val di Cogne
5.8 km · +1040 m · E — from Pila to Col Chasèche (Lys Valley).
Valsavarenche
1.1 km · +36 m · T — from Parcheggio Pont to Rifugio Tétras Lyre (Ayas Valley).
Val Ferret
6.8 km · +1257 m · E — from Pra Sec to Colle Battaglione Aosta (Great St Bernard Valley).
Bassa Valle
9 km · +1546 m · E — from Pramotton to Alpe Bonze (Valtournenche).
Val di Cogne
3.2 km · +490 m · E — from Prati di Sant'Orso - Buthier to Les Ors (Lys Valley).
Valle del Gran San Bernardo
6.2 km · +904 m · E — from Prenoud to Tête du Bois (Great St Bernard Valley).
Val d'Ayas
4.7 km · +742 m · E — from Quinçod to Leuriaz (Ayas Valley).
La Thuile
4.6 km · +583 m · E — from Rifugio Deffeyes to Pas de Planaval (Lys Valley).
Valle di Champorcher
0.8 km · +258 m · EE — from Strada Dondena to Col Terre Rousse (Valtournenche).
Val d'Ayas
7.4 km · +1671 m · E — from Strada per Veulla to Mont Barbeston (Central Valley).
Valgrisenche
5.8 km · +841 m · E — from Surrier to Col du Mont (Valtournenche).
Val Ferret
10.4 km · +982 m · E — from Capoluogo to Rifugio Frassati (Central Valley).
Valle del Lys
6.8 km · +1156 m · E — from Tzendelabò to Colle della Vecchia (Great St Bernard Valley).
Valle centrale
6.9 km · +1900 m · E — from Capoluogo to Becca di Viou (Valtournenche).
Valle del Gran San Bernardo
7.2 km · +1009 m · EE — from Vetan to Col Palettaz (Central Valley).
Valle del Gran San Bernardo
10.1 km · +1856 m · E — from Ville-Sur-Sarre to Mont-Fallère (Valgrisenche).
Valle di Champorcher
4.4 km · +948 m · E — from Vesey damon to Col de Pana (Central Valley).