Lake Lowell in Nampa Idaho: History, Wildlife, and Outdoor Fun

Lake Lowell is one of Nampa’s favorite places to get outside. It’s where locals go to fish, kayak, hike, or just sit by the water. The views are peaceful. The wildlife is active. The trails and shoreline draw people in all year long.

A Lake with Deep Roots

But this lake wasn’t always a local hangout. In fact, it started as a major irrigation project.

In the early 1900s, the Treasure Valley needed water. Farmers were planting more crops. Fields were expanding. So, the U.S. Reclamation Service stepped in. They built a dam on the Boise River and created a huge reservoir to store water. As a result, Lake Lowell was born—named after engineer Walter J. Lowell, who helped design the project. The lake was completed in 1909.

In the early 1900s, the Treasure Valley needed water. Farmers were planting more crops. Fields were expanding. So, the U.S. Reclamation Service stepped in. They built a dam on the Boise River and created a huge reservoir to store water. As a result, Lake Lowell was born—named after engineer Walter J. Lowell, who helped design the project. The lake was completed in 1909.

A Wildlife Refuge in the Heart of Nampa

Today, Lake Lowell is still used for irrigation. However, it’s also a place to play and explore. The lake is part of the Deer Flat National Wildlife Refuge, one of the oldest refuges in the country. Birds love this spot. So do photographers and nature lovers. You’ll often see herons, pelicans, ospreys—even bald eagles. Since it’s along the Pacific Flyway, it’s a perfect stop for migrating birds.

Outdoor Activities at Lake Lowell

While the wildlife is a big draw, there’s plenty more to do. For example, you’ll find:

  • Kayaking and boating spots
  • Swimming beaches at Lakeview Park and the Upper Dam
  • Shaded picnic areas and hiking trails
  • Fishing for bass, perch, and trout
  • Access to the Nampa Greenbelt for biking and walking

Worth a Visit in Every Season

Each season brings something different. Summer is lively. In contrast, fall is calm. Winter is quiet and still.

Want a tip from a local? Head to the Upper Dam at sunset. You won’t regret it.

Why Lake Lowell Matters

From farm life to outdoor fun, Lake Lowell is part of what makes Nampa feel like home.part of what makes Nampa feel like home.

👉 Learn more about the Deer Flat National Wildlife Refuge

Learn More about the Deer Flat National Wildlife Refuge