Welcome to Sender City

Climb our fun walls for a session or have your next party at Sender City!

Book a SessionParty Info

Sender City (formerly known as Funtopia), is an interactive climbing center great for kids and adults of all ages! Climb buildings, towers, shapes or race your friends to the top of the walls. Sender City is located inside Sender One Climbing, one of the biggest and tallest climbing gyms in the country.

Sender City uses the Perfect Descent autobelay device. Perfect Descent automatically retracts a cable attached to climbers during ascent and controls speed during a descent or in the event of a fall.

Activities

Spider Man

Here’s your chance to be Spiderman! Climb the facade of the building. How about only using the window panes?

Trembling Towers

How high can you climb on the trembling towers? Can you climb the towers with no hands or with your eyes closed?

Drop Slide

The ultimate adrenaline rush — no Sender City visit would be complete without a giant human slide!

Toddler Park

For small ones under 35lbs! Your little ones are going to love building blocks and learning the ABCs on the traverse wall!

Fun Walls

These are the kids’ favorite walls – climb the building ladders, ascend funtopia letters, or try to balance on spinning gears.

Jump Catch

Challenge your fear of heights on the jump catch tower.  Catch the trapeze bar or punching bag.  How far out can you go?

Box Builder

Stack as many blocks as possible and stand on top.  Lose your balance and you’ll have to start all over again!

Mineshaft

Climb in the dark on three sides of the wall! Can you see it glow?

Sender City Hours & Booking Info

Hours

Monday – Friday : 10:30 am – 8 pm
Saturday : 9 am – 8 pm
Sunday : 9 am – 7 pm

Booking Info

  • All climbers and observers must fill out an online facility waiver. This includes parents and kids who are not climbing.
  • Parents are responsible for clipping in their children.
  • Wear comfortable clothing. Pants or long shorts recommended.
  • Closed toe shoes required. No climbing shoes.
  • Climbers must weigh between 35 lbs to 300 lbs
  • No age minimum
  • Arrive 15 – 30 minutes prior to the start of your session. Late guests will be able to participate during the remaining time of the session.

RESERVATION & CANCELLATION POLICY

  • Sessions may be booked 2 weeks in advance
  • Reservations are required to guarantee your session. Space is limited!
  • Full payment required to register.
  • Refunds will not be granted for cancellations. You may be issued credit for the amount paid.
  • Cancellations made less than 48 hours in advance will not be refunded OR credited, and all credits or coupons will be forfeited.

Session Pricing

Open Climb

$25/Person
  • 1-Hour Session
  • Bonus Slide and Jump Tower activities included
  • Auto-belay training for parents and attendees over 14 years old
  • Parents responsible for clipping in their children
  • Please provide at least one adult for every 2 children
  • Includes rental helmet and harness
  • Reservations required to guarantee space
  • EARLY BIRD OPEN CLIMB: A smaller sized morning session.
Book Online

Night Owl

Best for older kids and adults!
$15/Person
  • Join a fun evening session geared towards older kids and adults!
  • 1-Hour Session
  • Slide and Jump Tower activities included
  • Auto-belay training for parents and attendees over 14 years old
  • Parents responsible for clipping in their children
  • Please provide at least one adult for every 2 children
  • Includes rental helmet and harness
  • Reservations required to guarantee space
Book Online

Family Fridays

Members Only
Free/Member
  • Members! We invite you and a guest to come try out Sender City for free Fridays between 6 pm – 8 pm
  • Must have current Sender One Membership or Sender City Annual Pass
  • Limit one guest per member per day
  • Kids under 14 must be accompanied by an adult the entire time
  • Staff will provide autobelay training
  • Members must pass an autobelay certification prior to climbing
  • Reservations required
  • Parents are responsible for clipping in their children
Book Online

Sender City Annual Pass

Best Value!
$249/Person
  • Enjoy 360 days of climbing at Sender City when you are an annual pass member with access to an one-hour climbing session every day
  • Bonus activities included
  • Reservations are required, but you can book up to 1 week in advance
  • Includes 1 guest pass to Sender City per month
  • 10% off Climbing Academy
  • FREE Intro to Climbing class for annual pass member or parents
  • $0 initiation when you sign up for a membership at Sender One Climbing
Buy Online Now

Sender Card 30

$79/Person
  • 30% off Sender City Open Climb Sessions or Sender One Day Passes
  • Valid for one year
  • First visit free when purchasing Sender Card
  • Valid for one person only
Buy Online Now

Toddler Park

Kids under 35 lbs
$10/Person
  • Must be under 35lbs to play in the toddler park
  • Adult supervision required
  • Open during normal gym hours

What people are saying about us

What I LOVE about our experience at Funtopia, was that my children were able to try something new and conquer some of their fears of heights. You would never guess that they were afraid to climb up the walls when they first arrived. By the end of their session, they were climbing all the way to the top of the obstacles.  I was not only amazed, but proud of my boys for accomplishing this feat. Jill Parkin

Blogger, Sandy Toes and Popsicles

I just wanted to go again and again.  We explored the entire area which included cool pillars to climb, various climbing walls, even a structure with a high platform on top in which you can jump off to a trapeze swing or a swinging punching bag thing.  It was one of those experiences I will always remember and Emma loved every minute. It was really cool to get to do something like this with her. Jennifer

Blogger, Tiny Oranges

Online Waiver

All climbers and observers must fill out an online waiver. This includes parents, grandparents, babies and kids who are only watching. Fill out a waiver online to save time at check-in.
Waiver

ADDRESS

Sender One Climbing, Orange County
1441 S. Village Way
Santa Ana, CA 92705

HOURS

Climbing Gym
Mon – Fri : 6 am - 11 pm
Sat : 8 am - 10 pm
Sun : 8 am - 8 pm

Sender City (formerly known as Funtopia)
Mon - Fri : 10:30 am - 8 pm
Sat : 9 am - 8 pm
Sun : 9 am - 7 pm

CONTACT

Sender One & Sender City
(714) 881-3456
[email protected]

Special Events
(714) 752-3452
(Events Line Hours: 10 am - 6 pm, M-F)
[email protected]

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