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United States
Idaho
Ada County

Wees Bar Petroglyphs Trail

Hard

2.7

(6)

63

hikers

Wees Bar Petroglyphs Trail

05:08

18.5km

190m

Hiking

Hike the challenging Wees Bar Petroglyphs Trail to discover ancient rock art and scenic Snake River views in Idaho's Birds of Prey area.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Morley Nelson Snake River Birds of Prey National Conservation Area

Waypoints

A

Start point

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1

161 m

Swan Falls Dam

Highlight • Monument

Built in 1901, the impressive Swan Falls Dam is the oldest dam on the Snake River to generate hydroelectricity. It is closed to motorized traffic, but you can cross it by foot. There are trails leading to interesting ruins and petroglyphs on the west side of the river.

Tip by

2

9.14 km

Wees Bar Petroglyphs

Highlight • Historical Site

The area around Wees Bar contains more than 90 boulders with ancient petroglyphs – the largest display in the state of Idaho. Wees Bar is named after James Lowell Wees, a farmer and miner who settled here in the late 1870s and built his home from lava rock. The ruin is still visible today.

Tip by

B

18.5 km

End point

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Way Types & Surfaces

Way Types

13.8 km

3.40 km

759 m

621 m

Surfaces

17.2 km

759 m

621 m

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Elevation

Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (780 m)

Lowest point (700 m)

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Weather

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Today

Monday 19 October

24°C

7°C

0 %

Additional weather tips

Max wind speed: 24.0 km/h

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Frequently Asked Questions

What is the difficulty level of the Wees Bar Petroglyphs Trail?

This trail is considered difficult. It's a challenging 12-mile round trip hike that requires good fitness due to its length and some potentially rocky sections. The path often follows a jeep trail, with some parts narrowing to a single track.

Where is the trailhead and parking for this route?

The trail begins at the Swan Falls Dam trailhead. Parking is available there, and the journey starts by crossing the dam itself.

What can I see along the Wees Bar Petroglyphs Trail?

Beyond the stunning views of the Snake River and its canyon, the main attraction is the hundreds of ancient Wees Bar Petroglyphs. You'll also pass the remnants of the Priest Ranch Homestead and its orchard, and cross the historic Swan Falls Dam.

Is the Wees Bar Petroglyphs Trail dog-friendly?

Yes, the trail is generally dog-friendly. However, given the challenging nature of the hike, its length, and the potential for very hot conditions with little shade, ensure your dog is fit enough and carry plenty of water for both of you. Always keep your dog on a leash.

What is the best time of year to hike this trail?

Spring and fall are generally the best times to visit. During spring, you have excellent opportunities to spot various raptors within the Morley Nelson Snake River Birds of Prey National Conservation Area. Summer months can be extremely hot due to the lack of shade, making the hike much more strenuous.

Are there any permits or entrance fees required for the trail or the conservation area?

The trail is located within the Morley Nelson Snake River Birds of Prey National Conservation Area. While specific permits for the trail itself are not mentioned, it's always advisable to check the latest regulations for the conservation area before your visit. You can often find this information on official Idaho state park or BLM websites.

What kind of wildlife might I encounter?

The trail is situated within the Morley Nelson Snake River Birds of Prey National Conservation Area, making it an excellent place to spot various raptors, including hawks, eagles, and falcons, especially in springtime. Keep an eye out for other desert wildlife as well.

What should I bring on this hike?

Given the trail's length and challenging nature, it's crucial to bring plenty of water, especially during warmer months, as there is little shade. Sturdy hiking boots, sun protection (hat, sunscreen), snacks, and a map or GPS device are also highly recommended.

Is this a loop trail or an out-and-back route?

The Wees Bar Petroglyphs Trail is an out-and-back route, meaning you will return along the same path you took to reach the petroglyphs.

What makes the petroglyphs at Wees Bar so significant?

The Wees Bar Petroglyphs represent one of Idaho's largest and most well-preserved collections of ancient rock carvings. Believed to be made by ancestors of local Native American tribes, these hundreds of symbols depicting humans, animals, and geometric designs could be anywhere from 800 to 12,000 years old, adding a profound sense of historical discovery to the hike.

Are there any amenities or places to stay near the trailhead?

The trail is in a rural area. While there are no immediate amenities like cafes or pubs directly at the trailhead, you can find accommodation and services in nearby towns such as Melba or Kuna, Idaho. It's best to plan for supplies before heading to the trailhead.

Nearby routes

Moderate

2

Snake River and Swan Falls- Wees Bar Petroglyphs Trail

02:43h

9.75km

110m

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