FLYING M RANCH:512-355-9492; 1335 CR 264, Burnet, TX 78605.flyingmtexas.com. Working ranch offers riding lessons for children and adults. They will train both you and your horse. Trail rides. 2 mi from Bertram. HOMER MARTIN GUEST RANCH:325-347-6852; 10022 Simonsville Rd., Mason, TX...