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Ada County
Eagle

Eagle Island State Park Loop

Easy

5

hikers

Eagle Island State Park Loop

01:38

6.52km

10m

Hiking

Hike the easy 4.1-mile Eagle Island State Park Loop, offering riverside views, open fields, and a pet-friendly experience in about 1 hour 38

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

115 m

Eagle Island State Park

Highlight • Trail

Eagle Island State Park is nestled between two arms of the Boise River just outside of Eagle, ID. This is a great place to bring the family for hiking, swimming, …

Tip by

2

1.82 km

Old Dam

Highlight • Structure

The old dam across the river makes for an interesting stop, but the water can be deceptive so take caution. There are some dead end trails in the area so keep your maps handy.

Tip by

B

6.52 km

End point

Parking

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Way Types & Surfaces

Way Types

5.33 km

611 m

563 m

Surfaces

3.95 km

2.11 km

397 m

< 100 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Wednesday 6 May

26°C

8°C

0 %

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Max wind speed: 7.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike the Eagle Island State Park Loop?

The Eagle Island State Park Loop is an easy hike, approximately 6.5 km (4 miles) long. Most hikers can complete it in about 1 hour and 38 minutes, making it a great option for a leisurely outing.

Is the Eagle Island State Park Loop suitable for beginners or families with children?

Yes, this loop is very suitable for beginners and families. It features generally flat, even terrain and is graded as easy, making it accessible for all fitness levels. The park itself is also very family-friendly, with various activities beyond hiking.

What is the terrain like on the Eagle Island State Park Loop?

The terrain is primarily flat and even, winding through grassy meadows and open fields. A significant portion follows the Boise River, offering picturesque riverside views. While some trails in the park might have slightly uneven ground, the loop itself is largely obstacle-free.

What kind of scenery can I expect along the trail?

You can expect diverse scenery, including open fields, grassy meadows, and extensive views along the Boise River's north and south channels. There are also views of a recreational lake. During spring, wildflowers bloom, and autumn brings vibrant foliage. The park is also known for its beautiful light during golden hour, perfect for photography.

What notable features or landmarks will I see on the Eagle Island State Park Loop?

As you traverse the loop, you'll pass by the main area of Eagle Island State Park itself. You might also spot the Old Dam, a fish hatchery, the site of an old slaughterhouse, and the Osprey Group Picnic Area.

When is the best time of year to hike the Eagle Island State Park Loop?

The trail is enjoyable year-round. Spring offers blooming wildflowers, and autumn provides vibrant foliage. The park is also known for its beautiful light during golden hour, making it a favorite for photography. It's a great option for a pleasant walk in any season.

What wildlife might I encounter on the trail?

The park is listed as an important bird area, so you can expect to see various bird species. Other wildlife common to riverside and meadow environments may also be present.

Where can I park when visiting Eagle Island State Park Loop?

Parking is available within Eagle Island State Park. The park has designated parking areas that provide convenient access to the trailheads. For specific directions, it's best to check the official park website.

Are there any entrance fees or permits required for Eagle Island State Park?

Yes, there is an entrance fee to access Eagle Island State Park. You can find detailed information about current fees and any required permits on the official Idaho State Parks website at idaho.gov.

Is the Eagle Island State Park Loop dog-friendly?

Yes, the park is highly favored by dog owners. Dogs are welcome on the trails, and there are designated areas within the park for off-leash play, making it an excellent spot for you and your canine companion.

Can I bike or horseback ride on the trails at Eagle Island State Park?

Absolutely! The trails within Eagle Island State Park are versatile and shared by hikers, bikers, and horseback riders. This allows for a diverse outdoor experience, catering to various interests beyond just hiking.

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