Boise to Purple Martin Migration Road Trip – Spring 2026

Day 1: Boise → Craters of the Moon

Morning: Depart Boise early and head east on ID‑20, stopping at the Boise River Greenbelt for a quick riverside walk. Continue through the high desert, enjoying the expansive sky that hints at the upcoming migration season.

Afternoon: Arrive at Craters of the Moon National Monument for a short hike among lava fields and explore the visitor center’s bird‑watching displays. Pack a picnic and soak in the unique landscape.

Evening: Check into a nearby lodge, enjoy a sunset over the volcanic terrain, and review your purple martin spotting guide before a restful night.

Day 2: Craters of the Moon → Snake River Canyon → Twin Falls

Morning: Drive north to the dramatic Snake River Canyon, stopping at Shoshone Falls for stunning views and early‑season bird activity along the riverbanks.

Afternoon: Continue to Twin Falls, where you can explore the Shoshone Falls Park and visit the local bird observatory for recent purple martin reports.

Evening: Dine in downtown Twin Falls, then stay at a comfortable B&B while listening for distant martin calls at dusk.

Day 3: Twin Falls → Boise → Columbia River Gorge

Morning: Return to Boise for a brief city break, strolling through the Idaho State Capitol grounds and grabbing a coffee before heading west.

Afternoon: Cross into Oregon via I‑84, arriving at the spectacular Columbia River Gorge. Hike to the iconic Multnomah Falls and keep an eye out for migrating martins along the cliffs.

Evening: Set up camp at a designated site in the Gorge, enjoy a campfire, and watch the sky for evening martin flights.

Day 4: Columbia River Gorge → Portland → Willamette Valley

Morning: Depart early for Portland, exploring the Portland Japanese Garden and the bustling Pierce’s Pond where martin colonies are often observed.

Afternoon: Drive south into the Willamette Valley, stopping at a local winery that supports martin housing projects. Visit the McDonald-Dunn Research Forest for guided bird‑watching.

Evening: Stay at a vineyard inn, enjoy a farm‑to‑table dinner, and attend a short talk on purple martin conservation.

Day 5: Willamette Valley → Skagit Valley → Seattle

Morning: Journey north into Washington, arriving at the renowned Skagit Valley, a hotspot for purple martin nesting sites along the river.

Afternoon: Take a guided tour of the Skagit River Bird Observatory, observing active martin colonies and learning about their spring migration routes.

Evening: Conclude the trip in Seattle, strolling the waterfront, dining on fresh seafood, and reflecting on the migration adventure.

Time and Cost Estimates

• Boise River Greenbelt – 1 hour – $0 (parking free)
• Craters of the Moon National Monument – 2 hours – $10 (entrance fee)
• Snake River Canyon (Shoshone Falls) – 2 hours – $5 (parking)
• Twin Falls (Shoshone Falls Park) – 2 hours – $5 (parking)
• Idaho State Capitol – 1 hour – $0
• Columbia River Gorge (Multnomah Falls) – 3 hours – $7 (parking)
• Portland (Japanese Garden & Pierce’s Pond) – 3 hours – $12 (garden entry)
• Willamette Valley (Vineyard & McDonald‑Dunn Forest) – 4 hours – $15 (tour fees)
• Skagit Valley (Bird Observatory) – 3 hours – $10 (donation)
• Seattle Waterfront – 2 hours – $0
• Accommodation (5 nights) – – $550
• Fuel (≈ 1,200 miles) – – $150
• Meals (5 days) – – $250
• Miscellaneous (souvenirs, permits) – – $80
• Total Estimated Cost: $1,194

Tips

If you have extra time, consider extending the trip by a day to explore the San Juan Islands, another premier purple martin destination, or add a visit to Mount Rainier National Park for diverse bird habitats. To shorten the itinerary, you can skip the Portland segment and head directly from the Columbia River Gorge to the Skagit Valley, reducing travel time while still experiencing key martin colonies.