Shortley before falling prey to dehydration and consequently altitude sickness, Luke was grinning from ear to ear. At the bottom of Forester Pass it was a different story. Altitude sickness comes on quickly if you allow yourself to dehydrate.
This horsepacker was packing in backpacks for a group, who followed him up the trail from Onion Valley Trailhead. You can also hire these guys to drop off a food cache.
If you are hiking from the north.