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Hiking trails & Routes
United States
California
San Diego County

Blair Valley Trail

Hard

2.9

(22)

58

hikers

Blair Valley Trail

05:02

18.4km

320m

Hiking

Embark on the Blair Valley Trail, a challenging hiking route that takes you deep into the unique desert landscape of Anza-Borrego Desert State Park. You will cover 11.4 miles (18.4 km) with a significant elevation gain of 1034 feet (315 metres), typically requiring about 5 hours and 2 minutes to…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

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1

4.57 km

Blair Valley

Highlight • Natural

8.86 km

Foot and Walker Pass

Mountain Pass

3

13.2 km

Little Blair Valley Road

Highlight • Trail

4

17.5 km

In the realm of prehistoric art, “pictographs” refer to artwork painted on rocks, which is a different interpretation of the term. This is different from petroglyphs, where the images are carved or incised into a material.

Tip by

5

18.4 km

Smuggler's Canyon

Highlight • Canyon

At the mouth of an impressive dry waterfall, you find a stunning vista of Smuggler's canyon. The panoramic view of the area below provides an excellent place to reflect before heading back.

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B

18.4 km

End point

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Way Types & Surfaces

Way Types

15.0 km

2.31 km

1.08 km

Surfaces

17.4 km

1.04 km

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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 (1,010 m)

Lowest point (740 m)

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Weather

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Today

Sunday 5 July

36°C

19°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

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Frequently Asked Questions

Where can I park to access the Blair Valley Trail?

Parking for the Blair Valley Trail is generally available at various pull-offs and designated areas within Blair Valley itself. Since it's a popular spot for primitive camping, there are secluded sites where you can leave your vehicle. Many areas are accessible by 2WD vehicles, though some parts might require 4WD, especially after rain.

How difficult is the Blair Valley Trail, and is it suitable for beginners?

This specific route is rated as difficult, covering over 18 kilometers with a notable elevation gain. While the broader Blair Valley area offers many easier, shorter hikes suitable for beginners, this particular komoot route is more challenging. It features hard-packed dirt, sandy washes, and potentially loose rocks. Beginners might find shorter, less strenuous options in the valley more enjoyable, such as the Blair Valley Loop or the Morteros Trail.

Is the Blair Valley Trail dog-friendly?

Yes, dogs are generally allowed on trails within Anza-Borrego Desert State Park, including the Blair Valley area. However, they must be kept on a leash at all times. Always ensure your dog has plenty of water, especially in the desert environment, and be mindful of hot ground temperatures that can harm their paws.

What is the best time of year to hike the Blair Valley Trail?

The best time to hike the Blair Valley Trail is typically from late fall through spring (October to April) when temperatures are cooler and more pleasant. Summer months can be extremely hot and are generally not recommended for hiking in the Anza-Borrego Desert. Spring also offers the chance to see desert wildflowers, depending on rainfall.

Do I need a permit or pay an entrance fee for the Blair Valley Trail?

No, there are no entrance fees to access Anza-Borrego Desert State Park, and permits are not required for day hiking the Blair Valley Trail. However, if you plan on primitive camping, specific regulations and designated areas apply.

What unique historical and cultural sites can I see along the route?

The Blair Valley Trail is rich in history. You can discover ancient rock paintings known as Pictographs in Anza-Borrego Desert State Wilderness, left by the Kumeyaay people. The Morteros Trail, an easy side hike, leads to bedrock mortar holes used by indigenous women. You might also find evidence of the original Butterfield Stagecoach route and, for a more strenuous detour, the ruins of the Marshall South Home on Ghost Mountain.

What is the terrain like on the Blair Valley Trail?

The terrain primarily consists of hard-packed dirt and sandy wash areas. Hikers should be prepared for loose rocks, dirt, and sand. After rain, some sections might have slick rock surfaces or mud holes. While much of the area is relatively flat, some parts, especially in the Little Blair Valley Road sections, might involve negotiating boulders.

Does this trail intersect with other well-known paths?

Yes, this route incorporates sections of several paths. You will hike along parts of Little Blair Valley Road, Blair Valley Road, Pictographs Road, and the Pictograph/Smuggler's Canyon Trail.

What should I bring for a hike on the Blair Valley Trail?

Given the desert environment and the trail's length, it's crucial to bring ample water (more than you think you'll need), sun protection (hat, sunscreen, sunglasses), sturdy hiking shoes, and snacks. Limited cell phone coverage means you should also carry a map or GPS device, and inform someone of your plans. Layers of clothing are advisable as desert temperatures can fluctuate significantly.

Are there any specific regulations for hiking in Anza-Borrego Desert State Park?

As part of Anza-Borrego Desert State Park, hikers should adhere to 'Leave No Trace' principles. This means packing out all trash, staying on marked trails to protect fragile desert ecosystems, and respecting historical sites by not disturbing artifacts. Collecting plants, rocks, or other natural features is prohibited. Always be aware of wildlife and give them space.

Can I see wildflowers on the Blair Valley Trail?

Yes, if conditions are right, particularly after significant winter rainfall, the Blair Valley area can experience spectacular wildflower blooms in late winter and early spring (typically February to April). Keep an eye out for diverse desert plant species, including the distinctive gray-green rosettes and tall flower stalks of the desert agave.

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