Climbing Boulders and Playground Boulders

Playground boulders provide a perfect avenue for improved coordination and balance, muscular development, social and cooperative play, and most importantly fun. Unlike most play equipment, our boulders provide entertainment for people of all ages and are designed to interest a variety of skill levels. Plus, they coordinate with the natural background.


Ideal for:

  • Climbing gyms
  • Playgrounds
  • Parks
  • Backyards
  • Indoor or outdoor applications

MEGARockTM Boulder

Eldorado’s MEGARock Boulder is made of Glass Fiber Reinforced Concrete (GFRC) cast in a large rock realistic mold. This climbing boulder is durable, weather resistance and feels just like natural rock. It is the largest precast boulder in the industry at approximately 11 feet tall, 9 feet long, and 7 feet wide, meeting playground height standards and satisfying any skill level. With a variety of angles and a finger crack, our MEGARock Boulder is perfect for all abilities. Our MEGARock Boulder can be fitted with T-Nuts to allow for the placement of modular handholds, but is completely scalable without additional holds.  Pricing starting at around $25,000.

Download MEGARock specification

ChameleonTM Freestanding Modular Boulder

Our most economic option, Eldorado’s Chameleon Boulders are highly featured, modular, and easy to assemble. The fiberglass panels allow for easy shipping, installation, and handling. These boulders are suitable for indoor and outdoor use, expandable, and have more handhold fasteners than any other fiberglass system for route setting flexibility. Our Chameleon Boulder is easily moved, so it’s perfect if you don’t have a permanent location. Our standard Chameleon Boulder is approximately 9½ feet tall, and has an average diameter of 8 feet. The Chameleon Boulder is perfect for playgrounds, and school installations.  Pricing starting at around $15,000.

Playground Boulder

Our playground boulders bring rock realistic climbing to any park, playground or backyard. Ranging in height from 3′ to 8′, these Glass Fiber Reinforced Concrete (GFRC) boulders are durable, aesthetic and fun.  Pricing starting at around $4,000.

Custom Boulders

Eldorado can also design a custom boulder to fit your needs. A custom boulder can be made to any size you would like, using any of our climbing wall systems. If you are interested in a collection of unique boulders, or have a special size requirement, tell us about your project, and we will design something just for you.