The Ecological Importance of Arizona's Last Free-Flowing Rivers The San Pedro River in southeastern Arizona is a treasure of the state's ecological heritage.

The Ecological Importance of Arizona's Last Free-Flowing Rivers

The San Pedro River in southeastern Arizona is a treasure of the state's ecological heritage. As you wander along its banks, you'll discover an array of unique plants and animals that have adapted to this remarkable landscape. The river's free-flowing waters support a diverse range of wildlife, from bald eagles and beavers to over 200 species of birds.

Hiking Trails Along the San Pedro River

Here are five top hiking trails that offer breathtaking views of Arizona's last free-flowing rivers:

1. The River Road Trail

• Distance: 3.5 miles round trip
• Elevation gain: 100 feet
• Difficulty: Easy to moderate

This trail follows the San Pedro River and offers stunning views of the surrounding desert landscape. You'll have opportunities to spot wildlife, including birds, reptiles, and mammals.

2. The T-Rex Trail

• Distance: 4 miles round trip
• Elevation gain: 200 feet
• Difficulty: Moderate

This trail takes you through a scenic canyon and offers breathtaking views of the San Pedro River below. Keep an eye out for fossils and ancient petroglyphs etched into the rocks.

3. The Upper San Pedro Riparian National Conservation Area Trail

• Distance: 5 miles round trip
• Elevation gain: 300 feet
• Difficulty: Strenuous

This trail takes you deep into the heart of the conservation area and offers stunning views of the surrounding mountains and river valley. You'll have opportunities to spot wildlife, including deer and javelina.

4. The Patagonia-Sonoita Creek Preserve Trail

• Distance: 2 miles round trip
• Elevation gain: 100 feet
• Difficulty: Easy to moderate

This trail takes you through a scenic creek bed and offers breathtaking views of the surrounding desert landscape. You'll have opportunities to spot wildlife, including birds and reptiles.

5. The San Pedro House Trail

• Distance: 1 mile round trip
• Elevation gain: 50 feet
• Difficulty: Easy

This trail takes you through a scenic desert garden and offers stunning views of the surrounding mountains and river valley. You'll have opportunities to spot wildlife, including birds and mammals.

Best Times to Visit

The best times to visit these trails are from September to November and March to May, when temperatures are mild and wildflowers are in bloom.

Practical Info

• Location: San Pedro River Valley, southeastern Arizona
• Hours: 9 am to 5 pm, daily (check for seasonal closures)
• Fees: Free (donations appreciated)
• Contact: [www.blm.gov](http://www.blm.gov) (search for "San Pedro Riparian National Conservation Area")
• Reservations: Not required
• Guided tours available: Yes (check with local outfitters)