Grampy Larry Lake House Address: 12947 Lake Conroe Bay Rd, Willis, TX 77318 Phone: (936) 856-7936 Restaurants Other Businesses: Welling's Pointe at 11037 Windswept Way, Willis, TX 77318-6563 Old Wizzards Rock Shop at 14005 African Hill Rd, Willis, TX 77378 Uncle Bob's BBQ on the Lake at 13988 Calvary Rd, Willis, TX 77318