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Story County
Ames

Peggy's Trail Loop

Easy

5.0

(2)

5

hikers

Peggy's Trail Loop

00:51

3.26km

30m

Hiking

Peggy's Trail Loop is an easy 2.0-mile (3.3 km) hike through Reactor Woods in Ames, featuring wooded scenery and an Onion Creek overlook.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

14 m

Peggy's Trailhead

Highlight • Trail

Peggy's Trail is a loop through Reactor Woods, a small forest behind Iowa State University's Applied Sciences Complex, the former home of the Ames Laboratory Nuclear Research Reactor. Iowa State …

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2

1.96 km

Onion Creek overlook

Highlight • Viewpoint

A bench at the edge of a wooded slope overlooks Onion Creek and the forest below. The old chainlink-and-barbed-wire fence from the time the complex housed a nuclear reactor runs …

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B

3.26 km

End point

Parking

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Way Types & Surfaces

Way Types

3.26 km

Surfaces

3.26 km

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Elevation

Elevation

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Weather

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Today

Friday 8 May

23°C

6°C

0 %

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Max wind speed: 20.0 km/h

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This route was planned by komoot.

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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.

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