After a couple of hot but undemanding miles, you slip into the cool narrows, 50 feet wide in spots, noisy with falling water, and illuminated by aspen groves exploding in sunlight.
Two are out-of-towners, come to sunny southern California to find fame, glory, girls.
All are lean, rangy, good-looking - "like Jesus Christ after a month in Palm Springs", in the words of their friend Eve Babitz.
Martin's Press, 1997): "Since sex is our full-time job, we're on top of all the latest trends and techniques." And how!
After grilling our panel of experts for their greatest tricks, we couldn't believe the amount of arousing — and amazing — advice they had to offer.
In the southeastern corner of campus, under the red tile roof of Braun Hall, the hours ahead offered nothing but possibility.