Yellow Trails
The best place to begin, build comfort with the equipment and find your confidence.
Outdoor Adventure in Westfield, Indiana
Climb, zip & do something different at Grand Park.
Whether you live nearby or you're in Westfield for a tournament, TreeRunner is a one-of-a-kind outdoor adventure right inside Grand Park Sports Campus.
8 Aerial Trails
4 Difficulty Levels
Ages 7+
2 & 3 Hour Climbs
Not Your Usual Day Out
An adventure hiding in plain sight at Grand Park.
High above the ground, you'll climb through suspended obstacles, bridges and ziplines on a self-guided adventure built for different ages and challenge levels.
First time? That's completely normal.
Start on an introductory trail, learn the system, then decide how far you want to push yourself. You choose the challenge.
Choose Your Challenge
Start approachable. Work your way up.
With four introductory Yellow trails, Grand Park gives new climbers room to learn, build confidence and take on something harder when they're ready.
8
AERIAL TRAILS
ACROSS FOUR DIFFICULTY LEVELS
ACROSS FOUR DIFFICULTY LEVELS
Green Trails
Step things up with more balance, movement and challenge as you progress.
Blue Trail
A bigger physical and mental challenge for climbers ready to push themselves further.
Black Trail
Grand Park's highest challenge level for eligible, confident climbers.
Make a Day of It
For Local Families
At Grand Park
Bring the Crew
Local weekend or tournament weekend — adventure fits.
You don't need a special occasion to climb. TreeRunner works especially well when you're looking for something memorable to do together.
Trade another ordinary afternoon for something different.
If you're looking for a unique outdoor activity in Westfield, Carmel, Noblesville or the north Indianapolis area, spend a few hours climbing together in the trees.
Plan a Family AdventureTurn the time between games into part of the trip.
Already here for a tournament? TreeRunner is right on campus, so you can add a completely different experience without driving across town looking for something to do.
Things to Do Between Games Bringing the Whole Team?Birthdays, teams, schools & groups belong in the trees.
Give your group something to talk about afterward with an experience built around movement, challenge and shared accomplishment.
Explore Group Outings
Find Us at Grand Park
You're closer to adventure than you think.
TreeRunner sits right inside Grand Park Sports Campus in Westfield. If you're already here for games, practices or a tournament, your next activity is already on campus.
Address
19000 Grand Park Blvd, Westfield, IN 46074
Preferred Entrance
Enter Grand Park from 186th Street
Parking
Lot G is closest to TreeRunner
Adventure Near Indianapolis
Looking for something fun to do in Westfield?
TreeRunner Grand Park offers a different kind of family activity just north of Indianapolis and a short drive from Carmel, Noblesville and Fishers. Come for the ziplining and aerial obstacles, stay for the feeling of doing something you weren't quite sure you could do.
When the Sun Goes Down
See the forest in a completely different light.
Night Forest brings climbing after dark to TreeRunner with illuminated aerial trails, music and changing themes.
Explore Night Forest
Stay on the Ground
Adventure doesn't have to stop when you leave the trees.
Stop by Westfield Mining Co. at TreeRunner Grand Park and sift for gems and fossils to take home.
Explore Gem Mining
Coming Up
September 12–13, 2026
October 14–16 & October 21–23
Fall adventure at Grand Park.
More ways for kids to spend time outside, build confidence and stay active this fall.
Indy Eleven × TreeRunner Kids Club
Two days combining Indy Eleven soccer programming, lunch and afternoon TreeRunner adventure for ages 7–14.
See Kids ClubFall Break Adventure Camp
Full-day outdoor adventure with climbing, ziplining, games and challenges during two fall-break sessions.
Explore Fall Break Camp
New to TreeRunner?
Know before you climb.
You don't need climbing experience. We'll show you how the equipment works before you enter the aerial trails.
How old do you have to be to climb?
Aerial Forest climbing begins at age 7. Which trails a climber can use depends on age, reach and other participation requirements.
How long should we plan to be at TreeRunner?
TreeRunner Grand Park offers both 2-hour and 3-hour climbing options. Plan additional time for arrival, check-in and orientation.
Is TreeRunner good for first-time climbers?
Yes. Every climber receives an orientation, and Grand Park has four Yellow introductory trails where newer climbers can learn the system and build confidence.
Where is TreeRunner inside Grand Park?
TreeRunner is located at 19000 Grand Park Blvd in Westfield. Enter from 186th Street and use Lot G for the closest parking.
Your next Grand Park memory doesn't have to happen on the field.
Choose your climb and discover one of Westfield's most unique outdoor adventures — right inside Grand Park Sports Campus.