• No volume drinking devices
• No containers under 5 fluid oz.
• Noise devices may not be audible beyond 50 feet
• No jumping from bridges, dams, or trees
• Maximum permitted cooler size is 16 quarts, one per person
• Coolers must have a locking mechanism on the lid (zipper, Velcro, latch, cord)
• Vessels on the rivers may not be over 18 feet in length

On the Comal River within city limits:

• Inflatable flotation devices on the Comal River must be less than 5 feet in diameter or width at the narrowest point.
• Limit of two tubes per person on the Comal River.
• Canoes and kayaks may not use the Last Tubers Exit on the Comal River on weekends and holidays.

On the Guadalupe River within city limits:

• When the river flow on the Guadalupe River is above 500cfs, it is mandatory for all children under 8 years of age to wear a life jacket.
• When the river flow on the Guadalupe River is above 750cfs, it is mandatory for all individuals to wear a life jacket.
• When the river flow on the Guadalupe River is above 1000cfs, tubing is not allowed. The only allowed recreation is raft trips.