You can fish the Guadalupe from Hunt, where the North and South arms converge, in New Lake Ingram, Old Lake Ingram, Kerrville Ponding Lake(once named Chester Nimitz Lake, but I defy you to find a sign saying so), Elizabeth(?) Hayes Park Lake in the center of Kerrville, FlatRock Lake, and down to Center Point lake. All those are just wide, dammed places in the Guadalupe. Lots of bass, and beautiful scenic spots. The South Guadalupe Arm, west of Hunt is spectacular, and should be great for fly fishing, but virtually the whole waterfront on each side is(very) privately owned and posted with zillions of warning signs. Enjoy the real Hill Country. Frederiksburg is a wide spot in a dusty road. No charm, but a plethora of boutiques, shoppes, wineries, bars and restaurants. My nephew calls it a Tourist Trap for Austinites! They have some nice museums, too.
I'm an Eighth Day Adventist. On the Eighth Day, God went fishing!