Originally Posted by Lascauxcaveman

Well, I took my new touring bike up there for a shakedown ride today, and got some more detailed water reports for ya: After the tap at the Heart o' The Hills entry station (mile 5), I saw nothing until about mile 13.7, where there's a year round stream next to a conveniently located shoulder pull-off. Between that and about 16.5 there are at least eight or nine seasonal streams, and the year round one at the Switchbacks trailhead. So there are plenty of places to refill, if you're OK with surface water.

Gratuitous shot of my brand new 1984 Peugeot Vagabond near the summit; she's a keeper