5.0
(2)
5
hikers
Peggy's Trail Loop
00:51
3.26km
30m
Hiking
Peggy's Trail Loop offers a delightful escape into nature, winding through peaceful wooded terrain that feels miles away from the city. You'll enjoy the gentle path, which is mostly flat but includes a few steeper sections, leading to a pleasant overlook of Onion Creek. It's a perfect spot for a quiet stroll or a family outing, providing a refreshing dose of greenery and fresh air.
This easy 2.0-mile (3.3 km) hike, with only 86 feet (26 metres) of elevation gain, can be completed in about 51 minutes, making it an accessible option for nearly everyone. The trailhead is located in Reactor Woods, behind Iowa State University's Applied Sciences Complex in Ames, with convenient parking. It's a great choice for a quick, low-effort walk, especially if you're looking for family-friendly trails.
Beyond its natural beauty, Peggy's Trail Loop holds a unique historical significance. Reactor Woods was once the site of the Ames Laboratory Nuclear Research Reactor, playing a role in the Manhattan Project and the development of nuclear energy. This adds an intriguing layer to your walk, connecting you to a piece of scientific history right here in Story County.
Last updated: June 9, 2026
Waypoints
Start point
Parking
Get Directions
14 m
Peggy's Trailhead
Highlight • Trail
Tip by
1.96 km
Onion Creek overlook
Highlight • Viewpoint
Tip by
3.26 km
End point
Parking
Way Types & Surfaces
Way Types
3.26 km
Surfaces
3.26 km
Sign up to see more specific route details
Sign up for free
Elevation
Sign up to see more specific route details
Sign up for free
Weather
Powered by Foreca
Today
Friday 3 July
32°C
21°C
73 %
Additional weather tips
Max wind speed: 16.0 km/h
to get more detailed weather forecasts along your route
This route was planned by komoot.
Frequently Asked Questions
Where is Peggy's Trail Loop located?
This trail is located in Ames, Iowa, winding through Reactor Woods behind Iowa State University's Applied Sciences Complex.
What is the terrain like on this loop?
The loop offers generally easy and accessible terrain through wooded scenery. While mostly flat, some sections might have steep hills, which can be slippery if icy.
Is this trail suitable for beginners or families with children?
Yes, this trail is rated as easy with minimal elevation gain, making it suitable for all fitness and skill levels. It is considered kid-friendly.
What notable features or viewpoints can I expect along the route?
Along the route, you'll find the Peggy's Trailhead and an Onion Creek overlook. The area also holds historical significance as the former site of the Ames Laboratory Nuclear Research Reactor.
How long does it typically take to hike this loop?
The loop is approximately 3.26 kilometers (2 miles) long and typically takes around 50 minutes to complete at a moderate hiking pace.
Where can I park for the Peggy's Trail Loop?
Parking is generally available near the Iowa State University's Applied Sciences Complex, as the trail is located directly behind it in Reactor Woods.
Is Peggy's Trail Loop dog-friendly?
While specific rules for this exact trail are not detailed, trails in similar university-managed natural areas often permit dogs on a leash. It's advisable to check local signage upon arrival.
Do I need a permit or pay an entrance fee to access the trail?
There is no indication that a permit or entrance fee is required to hike this trail, as it is located on university grounds and appears to be publicly accessible.
What is the best time of year to visit this trail?
The trail can be enjoyed year-round. Spring and fall offer pleasant temperatures and foliage, while summer provides lush greenery. Winter hiking is possible, but be aware that some sections might be slippery if icy.
Are there any amenities or facilities nearby?
Given its location behind Iowa State University's Applied Sciences Complex, basic amenities like restrooms or water fountains might be available on the university campus during operating hours. However, there are no specific facilities directly on the trail itself.
Comments
Want to know more?
Sign up for a free komoot account to join the conversation.
Sign up for free