ephrat·12 anni fa·discussAs someone who does the same, I use this pretty much on a weekly basis :) I hardly look at my Garmin maps anymore.
ephrat·12 anni fa·discusshttp://caltopo.com is the most powerful, free online topo mapping software I know of. It essentially provides a google maps - like interface for navigating an array of different maps, including USGS. The print function is amazing.