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Water Mine Family Swimmin' Hole

New Weather Procedure
NEW Weather Procedure >>

Due to forecasted cooler weather next weekend, the Water Mine is now closed for the season. See you next year!

The Water Mine Family Swimmin' Hole offers more than an acre of slides, flumes, sprays, showers, floatables and interactive play features, circled by Rattlesnake River with a 2.5 mile per hour current that gently nudges tubes along. A bit of the old west is recreated here. Kids careen off covered wagons, float on rattlesnakes and dash through showers tipped from water-filled ore carts.

The centerpiece is Pete's Peak, a craggy mountain dotted with boarded up mine shafts and tunnels. Twin gang slides - Big Pete and Little Pete - jut from the mountain, giving youngsters a thrill ride they'll return to again...and again...and again.

Mountain and slides are named for Pete the Prospector. According to Lake Fairfax legend, he staked his claim there in 1849, searching for gold. Sadly for Pete, his years of digging found only water. But now, with The Water Mine, the Park Authority is turning Pete's worthless old strike into the golden fun of summer.

This is an accessible facility.

While the Water Mine's attractions are designed for elementary-aged children, there's something here for everyone. Tenderfoot Pond, with its pint-sized slides and gentle bubblers, gives toddlers a perfect place for water play. Teenagers can join a game of water volleyball, and everyone will enjoy going with the flow in a tube on Rattlesnake River.

The Watermine
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Season Passes

Season Pass Reqular Rates

Single $95
Family of two $168
Each additional household member $53

Why buy a season pass?

  • Save more than 60% on daily admission prices (based on 1x per week visit). The more you visit, the more you save.
  • Experience quicker entry.
  • Enjoy unlimited rides on the carousel and tourboat.
  • Get exclusive passholder access on select Wednesday evenings.
  • Purchase guest passes for daily admission at a discounted rate.
Water Mine Logo Water Mine Season Pass

With your member number and a Visa or Mastercard, you can buy/renew passes online!  Not a member yet? Sign up online today!

Good for admission to the Water Mine Family Swimmin' Hole at Lake Fairfax Park. Pass covers the entire operating season (Memorial Day to Labor Day).

Group Rates

Weekday Group Rates

The Water Mine is a great place to bring your summer camp or day care for a weekday visit, Monday through Friday (except Holidays).

Reservations for summer typically begin March 1. Groups can be scheduled at least 2 weeks in advance by emailing your reservation requests to FCPA-waterminereservations@fairfaxcounty.gov or calling 703-471-5414 x17. Dates fill quickly so plan your visit early. 

Discounted rates are available for scheduled groups of 20 or more persons.  The group rate is $10.00 per person in the group. A partial payment of $200 which pays for the first 20 people in the group is required when making a reservation. When making multiple reservations a partial payment is required to reserve each reservation date.

Site Rentals

Water Mine Canopy Rental (Area F)

The large tent at the far end of the facility is available for rent. Contact the park manager at 703-471-5415.

Reservations need to be made at least 2 weeks in advance by calling 703-324-8732. The rental rate for this area is $300. Check availability and submit a rental request.

Temporary Changes for 2015 – Due to the facility expansion, Area F, the large blue and white canopy historically located at the far end of the water park, will be temporarily relocated to the front of the facility adjacent to the Admissions entrance in the grass. With the temporary location, the additional open space and grills will not be available this season.

This area has a maximum capacity of 100 people. This area is available only on non-holiday weekends. No electricity is available. Amplified sound, glass, and alcohol are not permitted.

Groups renting Area F will receive the group rate of $10.00 per person. A partial payment of $200.00 which pays for the first 20 people in the group is required for Area F when making a reservation through the Picnic Reservation staff. The remaining admissions are due on the day you visit the Water Mine. Admission will be charged for all persons in the group.

Water Mine Funbrella Rental


The Funbrella is a large umbrella shaped shade structure with 5 picnic tables located inside the dining area of the Water Mine. This area has a maximum capacity of 40 people. This area is available on non-holiday weekends and weekday evenings (excluding season pass holder nights). No electricity is available. Amplified sound, glass, and alcohol are not permitted.

Timeslots of 3 hours ($99) or 4 hours ($132) pre-established by the operating hours are available for reservation for your event. Reservations can be made by emailing your reservation requests to FCPA-waterminereservations@fairfaxcounty.gov or calling 703-471-5414 x17 at least two weeks in advance beginning May 1.

Groups renting the Funbrella will receive the group rate of $10.00 per person.  Admission will be charged for all persons in the group.



Calendar & Hours of Operation

Pool Safety and Bathroom Breaks: 10 minute breaks will be called at 10 minutes of each hour, except the first and last hours of operation.


  • $14.50 - Over 48" tall - Weekends & Holidays 
  • $13.50 - Over 48" tall - Monday through Friday (except holidays)
  • $11.25 - Under 48" tall
  • 2 years old and under - FREE
  • $8.25 - After 5 p.m. Monday through Friday (except holidays)
  • Group Rates

Frequently Asked Questions

Q: What are the busiest days and times at the Water Mine?

A: Saturdays, Sundays, and holidays are the busiest times to visit the Water Mine. The best times to arrive are before 10 a.m., as the line begins filling as early as 30-45 minutes prior to opening. If you are arriving at other times, you may experience a wait of up to 45 minutes. This does not include periods of time during which the Water Mine has reached its patron capacity. When the Water Mine reaches capacity, we are unable to estimate your wait time.

Q: What is the Water Mine's inclement weather policy?

A: The Water Mine is required to clear the entire facility, including pool and grass areas within the green fence, as well as the bathrooms and pavillions. We recommend seeking the safety of your vehicle and not under trees or picnic shelters. During inclement weather, The Water Mine must remain closed for a minimum of 30 minutes after the most recent thunder is heard or lightning is spotted.

Q: Can I bring my own food into the Water Mine?

A: Yes, outside food is allowed at the Water Mine, provided that it is eaten in the designated areas. Items that are prohibited are glass items and alcohol.

Q: Do you have lockers at the Water Mine?

A: Yes, there are coin-operated lockers available for patron use. Fairfax County Park Authority is not responsible for lost or stolen articles.

Q: My child is under 48 inches, but is an excellent swimmer. Do they have to be accompanied by an adult?

A: Yes, they still need to be accompanied by an adult 16 years of age or older in all areas of the Water Mine. Children under 48” tall are not allowed on Box Canyon Crossing or the large body slides, even with adult supervision. This is an industry-wide standard that we adhere to at the Water Mine.

Q: What are the bathing suit requirements at the Water Mine?

A: Appropriate swim wear is required at all times. Bathing suits, or alternatives approved by the aquatics supervisor, must be worn by all pool and spray park users. The following are Prohibited:

  • cut off shorts
  • rivets or exposed metal on swimsuits
  • thong swimsuits
  • underwear worn as a replacement for a bathing suit
  • workout apparel (i.e. sports bras, spandex shorts)

Q: Are lifejackets available for use at the Water Mine?

A: Yes, lifejackets are available for use at the First Aid tent. We have different sizes and they are first come, first serve. Only coast guard approved personal floatation devices (PFD’s) are allowed. Patrons are strongly encouraged to use our lifejackets rather than their own.

Q: How deep does the water get?

A: The deepest point in the pool is only 4 feet deep.

Q: Does the Water Mine have a baby pool?

A: Yes, Tenderfoot Pond is located to the right of the beach entrance to the river.

Q: Is there a family changing room?

A: Yes, there is a family changing room is located in the breezeway, between the men's bathroom and the lifeguard office, near the entrance to the park. There are also family changing rooms at the back of the park by the spray park.

Q: Does the Water Mine have advanced ticket sales?

A: No, daily admissions can only be purchased on the day that you plan on attending. All members of your party must be present in the admissions line at the time of sale. Line holding is not allowed. The Water Mine opens for admission sales at the time the Water Mine is scheduled to open, and no earlier.

Q: Can I bring my own raft?

A: No, for your own safety only rafts/tubes that are provided by the facility are allowed to be used.

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