Nine days without a wash left me marinating in my own juice. And then there was Ghami village—the promised land. When I learned gas-powered hot water was available at the guesthouse, I considered smooching the women in charge. Sublime. That’s how I’d describe my shower experience. I nearly dissolved.

On day nine, I confronted Mustang’s version of a traffic jam. Herds of sheep, pack horses, and seasonal migrants hindered progress on a narrow stretch of uphill climb. Speed wasn’t the issue, it was the clouds of dust that left those in its wake subject to mild asphyxiation. And the incessant whistling and grunting of shepherds can needle one psychologically after about hour three…