Mammoth Lake Texas

Park Fees & Rules

Plan ahead, purchase your day pass, complete your waiver, and help us keep Mammoth safe, clean, and enjoyable for everyone.

Scuba Diving

$25

Per person / per day

Non-Divers

$30

Per person / per day
Not a recreational swimming facility

Observer

Parent or guardian accompanying a minor and not participating in water activities

Rental Gear Purchase Day Pass Complete Waiver

Everyone entering the property must check in at the front gate.

Park Rules

Everyone who enters the property must check in at the front gate.
To keep prices low, a 3% non-cash adjustment is applied to card payments. Pay with cash and save.
Waivers must be signed by everyone entering the park, even if you are not getting in the water. You can save time by creating your account and filling out the waiver before you arrive here.
Park guests are responsible for their own trash removal; dumpsters are provided at the park exit.
No snuba or hookah devices.
No diving under the influence of alcohol or drugs. Drunken, inappropriate, or destructive behavior is grounds for immediate dismissal from the park.
Please avoid the bottom and sides of the lake, as well as hydrilla. This makes visibility poor for everyone. Lake entry is at docks only.
Please do not tamper with designated underwater training equipment.
Solo diving is not permitted.
We are not responsible for loss or damage to person or property.
Please dispose of all trash in receptacles provided. You are responsible for your own trash removal, including when using a pavilion. Never leave trash in the lake.
We reserve the right to refuse service to anyone.
Please dispose of and extinguish cigarettes properly. Do not leave them on the ground.
Campfires are permitted in designated areas only.
No fishing, spear fishing, or noodling.
Temporary dive line placement for training is acceptable, but must be removed at the end of the training session. Permanent dive line placement requires permission from park management.
No glass containers.
No weapons or fireworks allowed. Use of weapons or fireworks is grounds for immediate dismissal from the park.
Park speed limit is 10 mph.
Children must be attended at all times.
Leashed dogs are allowed, but must be crated or leashed while the owner is in the lake. Please clean up after your pet. Keeping a dog unsecured or off-leash is grounds for immediate dismissal from the park.
No dogs in the lake, please.
We reserve the right to refuse property access to anyone.