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Zipline Thrills!

Seeking adventure? Come to our fifty- acre island where you will be enveloped by the immense trees and serene setting under the shadow of Mount St. Helens . Ride our Ziplines, rent a canoe, fish, or just relax in the sun.

The Zipline allows guests of all ages to traverse cables under the canopy of majestic trees. You will be surrounded with breathtaking views and natural surroundings; a feeling you’ll find nowhere else! This course is a fun and safe Zipline adventure for adventure seekers, families, and corporate groups looking for a unique Northwest experience. In addition to zip lining, you may spend the remainder of your adventure at Treehouse Island fishing, hiking, kayaking, canoeing, or just relaxing in the sun. Treehouse Island is your opportunity to recapture the child within!
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Q: What is Ziplining?

A zipline tour allows guests to fly through the trees on 6 different cables. Participants will also maneuver up ladders and over bridges to the next zipline take off deck. The longest cable line is 600 feet and our tallest take off deck is 68 ft. in the air! Our course is a fun adventure and safety is our top priority! The cables and trolley system allow people to ride on a harness, traveling great distances and heights soaring from tree to tree. The state of the art course has been thoroughly inspected. Our guides are extensively trained and guests wear harnesses, helmets & gloves while ziplining.

Q: When does Ziplining operate?

The ziplines and the island will be open during all daylight hours during peak season. See reservations to confirm tour times and availability.

Q: Do I need to make a reservation?

Yes. Call Treehouse Island at 360.274.2425 or you may email us from our website with your interest in a tour package and one of our reservation staff will contact you to make your reservations.

Q: How long does it take?

A tour takes between 2 – 3 hours depending on how large your group is. This time frame includes the time needed for check-in, your boat ride to and from the island, and your zipline tour. The island is available during daylight hours for you and your family to enjoy.

Q: What does it cost?

Q: Are food and snacks available?

Light snacks and beverages are available in our office to take with you or purchase at the end of your tour. There are no concessions available on the island.

Q: Are there bathrooms?

Yes. Though we are in a remote setting, there are facilities available on the island.

Q: What if it rains?

We zip rain or shine.

Q: Do I do this myself? How do I land at the next platform?

The tours are fully staffed with friendly experts. All Ziplines are equipped with a braking system and a tour guide will be waiting for you to help you land and send you off onto the next platform.

Q: What should I bring?

You will be out in a camp type setting. Wear comfortable camping attire that you’re not afraid to get a little dirty! Here are a few things we suggest:

  • Athletic type shoes are required; you will not be able to participate in flip flops or open toed shoes.

  • Gloves are available, but you may bring your own if desired.

  • Harnesses go on the upper leg, so most people are most comfortable in longer shorts that are not overly baggy. You can also wear knee or full length pants if you prefer.

  • Optional items to bring: water bottle, sun block, sunglasses, beach towels, etc. There are small lockers available for your use while ziplining. Our transportation boat and lockers have limited space so please limit it to 1 small bag per group.

  • Do not bring (or wear) bug repellent with deet. Deet melts nylon, which our harnesses are made out of. Deet-free bug repellent will be available for purchase in our reservations office.
    Do not bring your valuables; Treehouse Island employees are not responsible for lost or stolen items.
    Do not bring alcoholic beverages.

  • Most importantly, bring your positive attitude, ready to have some fun!! Curmudgeons will be returned to the mainland.

Q: How safe is zip lining?

Safety is our first priority! Zipline guides have been extensively trained and our course has been inspected and cleared by experts in the zipline industry. The course and equipment are thoroughly inspected on a daily basis. Guests are attached to cables/ropes the entire time they are in the trees. Participants will ALWAYS be attached to the safety system throughout the entire course until they are safely on the ground after the final zipline. We have multiple backup systems to ensure your safety on our course!

Q: Can anyone Zipline? What are the physical requirements?

  • Due to the nature of the tour, guests must be in reasonably good health.

  • Activities will require moderate physical exertion, including walking across rope bridges and climbing up ladders.

  • Minimum age is 10. Children between the ages of 10-17 must be accompanied by an adult (adult can be on the zipline tour or on the island with a day pass).

  • Weight minimum is 70 lbs. and maximum is 250lbs (participants will be weighed discreetly prior to the tour).

  • This course is not recommended for those uncomfortable with heights.

  • People with chronic back pain or shoulder problems are cautioned against ziplining

People with the following conditions can NOT participate in the Zipline Tour:

  • Pregnant women (women in first trimester pregnancy may participate with written physician approval)
    People with heart conditions

  • People who are unable to walk up steps

  • Intoxicated individuals

All guests will be required to sign a release waiver before participation. Treehouse Island employees have the right to exclude anyone from participation for medical, safety, or any other reason.

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