20 ft Old Faithful Giant Water Slide—1-Day Rental

High-Impact Water Fun for Central Texas Events

The 20-foot Old Faithful Giant Water Slide from Jumpin Joy Party Rentals is one of the tallest and most thrilling inflatable slides available in Central Texas. Featuring a steep slide lane and a refreshing splash zone, this inflatable delivers an unforgettable experience for kids, teens, and even adventurous adults. Whether you're planning a birthday celebration, school event, church function, or backyard party, this water slide provides a dynamic centerpiece that guarantees hours of active outdoor fun.

Product Highlights

• Stands 20 feet tall for maximum impact
• Wide splash landing zone for added fun and safety
• Non-slip stairs and enclosed top platform
• Made from commercial-grade vinyl with reinforced seams
• Includes blower, power cords, and full anchoring system
• Delivered, set up, and taken down by trained professionals

Looking for a different size? Explore the 17-foot Bump Jump “Air” Kahuna or the 15-foot Big Kahuna 2-Lane Water Slide.

Perfect for Any Occasion

This inflatable water slide is a popular choice for family reunions, neighborhood block parties, school field days, and more. Enhance your event by adding:

• Backyard Games like Giant Jenga and Cornhole
• Tables & Chairs for comfortable seating
• Concession Machines including cotton candy and sno cones

Want a different kind of inflatable? Explore our selection of Bounce Houses and Combo Bouncers.

What’s Included

• Sanitized inflatable unit
• Electric blower and commercial-grade extension cords
• Anchoring system suited for your surface (stakes or sandbags)
• On-time professional delivery and complete setup
• One full day of rental use

Safety & Quality Assurance

Every rental is cleaned, sanitized, and inspected before delivery. Our team ensures proper installation following safe anchoring and electrical standards. Learn more by visiting our FAQs page.

Our Delivery Area

We proudly serve Central Texas, including Williamson County and Travis County. For complete coverage details, visit our Delivery Area page.

Reserve Your Date

This unit is in high demand during warm weather months. Book early to secure your preferred date.

Questions? Contact our team at 512-825-2525 or please reach out to us with any questions.