The Austin Hike & Bike Touring Group focuses on excursions to interesting locations for day-hiking, bicycle day-touring, and mountain bike touring -- including mountain and canyon environments.  Among our destinations will be a mix of near and not-so-far. Light/fast/long: Day-hiking as part art-form, part science, and large part passion.  Adrenalin is our fuel.  We don't race, but we enjoy hiking with energy and enthusiasm.  Hikes of up to 25 miles are possible as we fill a day.  Most are much …