| Beautiful scenery |
| 33 hairpin turns |
| #100 toughest climb of Italy |
| #16 most elevation gain of Europe |
| #34 longest climb of Europe |
| #65 average steepest climb of Aosta Valley |
Col du Grand-Saint-Bernard from Aoste via Porossan is a climb in the region Aosta Valley. It is 38.2km long and bridges 1984 vertical meters with an average gradient of 5.2%, resulting in a difficulty score of 1295. The top of the ascent is located at 2473 meters above sea level. Climbfinder users shared 5 reviews of this climb and uploaded 9 photos.
Road names: Strada regionale per Roisan, Strada Regionale n. 29 di Doues, SS27, Strada statale 27 del Gran San Bernardo & 21
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Highly recommended. The section before the official climb is perhaps even more enjoyable than the actual climb. Up with this route and back on the main road proved ideal. Good and grit-free tarmac. Very little traffic. Morning shade. Everything top notch.
I would advise against going over the main road to the start of the climb so always take this route.
Enorme aanrader. Het gedeelte vóór de officiële klim is misschien nog wel leuker dan de echte klim. Omhoog met deze route en terug over de hoofdweg is ideaal gebleken. Goed en gruisvrij asfalt. Heel erg weinig verkeer. Ochtendschaduw. Alles top.
Ik zou afraden om over de hoofdweg naar het begin van de klim te gaan en dus altijd deze route nemen.
Very nice ride. Unlike the route on through main road (the SS27), this route mainly goes on quiet back roads with relatively little traffic in the first part. The route is slightly longer than the direct alternative, but a lot quieter, more varied and offers beautiful views. Only after 21 kilometres do you get onto the SS27 and then it's only a few kilometres until you leave the busy main road again at the junction for the tunnel. The last part of the climb goes through fantastic mountain scenery. The climb is long (+/- 38Km), but nowhere overly steep. If you dose well and stay patient, it is doable and the panorama is fantastic. I did the climb on a weekday in early July. Can imagine that the pass can be crowded with motorbikes on weekends/high season. However, was not the case with me. Highly recommended as far as I am concerned.
Zeer mooie rit. In tegenstelling tot de route over doorgaande hoofdweg (de SS27) gaat deze route in het eerste deel voornamelijk over rustige achteraf wegen waar relatief weinig verkeer is. De route is iets langer dan het directe alternatief, maar een stuk rustiger, afwisselender en biedt mooie uitzichten. Pas na 21 kilometer kom je op de SS27 en dan zijn het nog maar een paar kilometer totdat je de drukke hoofdweg weer verlaat bij de afsplitsing voor de tunnel. Het laatste deel van de klim gaat door een fantastisch berglandschap. De klim is lang (+/- 38Km), maar nergens overdreven stijl. Als je goed doseert en geduldig blijft is het goed te doen en het panorama is fantastisch. Ik deed de klim op een doordeweekse dag begin juli. Kan me voorstellen dat de pas in het weekend/ hoogseizoen druk kan zijn met motoren. Was bij mij echter niet het geval. Wat mij betreft een absolute aanrader.
Not a hard climb but interminable. The views more than repay patience and effort.
Very busy in the first part then, after the tunnel, it is a little quieter.
Very few tunnels and perfect road surface.
Possibility of refreshments at the pass and along the route, several fountains for water bottles.
Parked cars at the cable car forecourt for Pila.
Salita non dura ma interminabile. I panorami ripagano ampiamente la pazienza e la fatica.
Molto frequentata nella prima parte poi, dopo il traforo, è un pò più tranquilla.
Pochissime gallerie e fondo stradale perfetto.
Possibilità di ristoro al passo e lungo il percorso, diverse fontane per la borraccia.
Parcheggiato auto al piazzale della funivia per Pila.
One of the most beautiful rides this year. Long, requiring patience. It is quite busy until the diversions with the tunnel. From there you turn right, the gradient increases and remains fairly steady between 6/8％. It feels like you have arrived when you see the ANAS house, but there are still 4km and 300m to go from there. Above is beautiful, there are a couple of refreshment points. The lake is very beautiful
Uno dei giri più belli di quest'anno. Lungo, che richiede pazienza. È abbastanza trafficato fino alla deviazione con il tunnel. Da lì si gira a destra, la pendenza aumenta e resta abbastanza fissa tra 6/8％. Sembra di essere arrivati quando si vede la casa dell'ANAS, ma da lì mancano ancora 4km e 300mt. Sopra è bellissimo, ci sono un paio di punti di ristoro. Il lago è molto bello
Like so many big cols, it is especially very busy with cars and motorbikes. Above the tunnel, it gets a bit quieter and you can enjoy the cycling a bit more. Especially the length is in your legs at the end. At the top, it is a fairground. Typical case of "you want to have cycled it once, but there are much nicer climbs in the neighbourhood".
Zoals zo veel grote cols is het vooral heel erg druk met auto's en motoren. Boven de tunnel wordt het iets rustiger en kan je wat meer gaan genieten van het fietsen. Vooral de lengte gaat wel in je benen zitten aan het einde. Bovenop is het een kermis. Typisch gevalletje van "je wil hem een keer opgefietst hebben, maar er zijn veel mooiere klimmen in de buurt".
| 7 km/h | 05:27:28 |
| 11 km/h | 03:28:23 |
| 15 km/h | 02:32:49 |
| 19 km/h | 02:00:39 |
