Tu prends la première route au nord qui est ouverte , le côté "route de montagne" s'estompant au fur et à mesure.
Pour évaluer les temps les temps (mais on ne sait pas d'ou tu démarres) :
http://maps.google.fr/maps?f=d&source=s_d&saddr=Curry+Village, +USA&daddr=Lee+Vining, +CA, +United+States&hl=fr&geocode=FfDRPwId1nbf-CnTE1wZOfKWgDGAPmrnZi9CVw%3B&mra=ls&sll=37.736944, -119.572778&sspn=0.119193,0.199127&ie=UTF8&z=11
http://maps.google.fr/maps?f=d&source=s_d&saddr=Curry+Village, +USA&daddr=38.350273, -119.881439+to:Lee+Vining, +CA, +United+States&hl=fr&geocode=FfDRPwId1nbf-CnTE1wZOfKWgDGAPmrnZi9CVw%3B%3BFTEvQwIdaFjm-CnZRzvcVjaWgDHrG1eRYFcz0A&mra=dpe&mrcr=0&mrsp=1&sz=10&via=1&sll=38.04701, -119.675446&sspn=0.94953,1.593018&ie=UTF8&z=10
http://maps.google.fr/maps?f=d&source=s_d&saddr=Curry+Village, +USA&daddr=38.48477, -119.984436+to:Lee+Vining, +CA, +United+States&hl=fr&geocode=FfDRPwId1nbf-CnTE1wZOfKWgDGAPmrnZi9CVw%3B%3BFTEvQwIdaFjm-CnZRzvcVjaWgDHrG1eRYFcz0A&mra=dme&mrcr=0&mrsp=1&sz=10&via=1&sll=38.280235, -119.804535&sspn=0.946497,1.593018&ie=UTF8&z=10
http://maps.google.fr/maps?f=d&source=s_d&saddr=Curry+Village, +USA&daddr=38.631891, -120.160217+to:Lee+Vining, +CA, +United+States&hl=fr&geocode=FfDRPwId1nbf-CnTE1wZOfKWgDGAPmrnZi9CVw%3B%3BFTEvQwIdaFjm-CnZRzvcVjaWgDHrG1eRYFcz0A&mra=dme&mrcr=0&mrsp=1&sz=10&via=1&sll=38.58682, -119.944611&sspn=0.942487,1.593018&ie=UTF8&z=10
http://maps.google.fr/maps?f=d&source=s_d&saddr=Curry+Village, +USA&daddr=US-50+E+to:Lee+Vining, +CA, +United+States&hl=fr&geocode=FfDRPwId1nbf-CnTE1wZOfKWgDGAPmrnZi9CVw%3BFVquTwIdnNzU-A%3BFTEvQwIdaFjm-CnZRzvcVjaWgDHrG1eRYFcz0A&mra=ls&via=1&sll=38.507341, -119.608154&sspn=1.887035,3.186035&ie=UTF8&ll=38.281313, -119.992676&spn=1.892942,3.186035&z=9
Patrick