Umatilla Rock Trail and Boy Scout Trail

Starting near Grant County, Washington, the Umatilla Rock Trail and Boy Scout Trail form a scenic loop of approximately 9 km (5.6 miles) with an elevation gain of around 100 meters (328 feet). This trail is rated as medium difficulty, making it suitable for moderately experienced hikers.

### Getting There To reach the trailhead, you can drive or use public transport. If driving, head towards the Sun Lakes-Dry Falls State Park, which is the nearest significant landmark. The park is accessible via WA-17 N and WA-2 E. For those using public transport, the nearest major city is Spokane, from where you can catch a bus to Ephrata and then a taxi or rideshare to the park.

### Trail Overview The loop begins near the Sun Lakes-Dry Falls State Park Visitor Center. The trail is well-marked and maintained, making navigation straightforward. For additional navigation support, consider using the HiiKER app.

### Key Sections and Landmarks - Umatilla Rock: Approximately 1.5 km (0.9 miles) into the hike, you'll encounter Umatilla Rock, a striking geological formation that stands as a testament to the region's volcanic past. The rock offers a great spot for a short break and some photography. - Boy Scout Trail Junction: Around the 3 km (1.9 miles) mark, you'll reach the junction with the Boy Scout Trail. This section of the trail is relatively flat and offers expansive views of the surrounding landscape, including Dry Falls Lake.

- Dry Falls Lake: At about 4.5 km (2.8 miles), you'll come across Dry Falls Lake. This area is rich in birdlife, so keep an eye out for species like the American White Pelican and various types of ducks. The lake is a remnant of the Ice Age floods that shaped much of the region's topography.

### Flora and Fauna The trail meanders through a diverse range of ecosystems, from arid shrublands to lush riparian zones. Common plant species include sagebrush, bitterbrush, and various types of grasses. Wildlife sightings may include mule deer, coyotes, and a variety of bird species.

### Historical Significance The area around Umatilla Rock and Dry Falls is steeped in geological history. The Dry Falls were formed by cataclysmic Ice Age floods that carved out the landscape approximately 15,000 years ago. These floods were among the largest known to have occurred on Earth, making the region a significant point of interest for geologists and historians alike.

### Final Stretch As you loop back towards the trailhead, the final 2 km (1.2 miles) offer gentle descents and panoramic views of the surrounding coulees and cliffs. This section is relatively easy, allowing you to cool down and reflect on the natural beauty you've just experienced.

### Preparation Tips - Water and Snacks: Ensure you carry enough water and snacks, as there are no facilities along the trail. - Footwear: Sturdy hiking boots are recommended due to the rocky terrain. - Weather: Check the weather forecast before heading out, as conditions can change rapidly.

By following these guidelines and being prepared, you'll be well-equipped to enjoy the Umatilla Rock Trail and Boy Scout Trail to the fullest.