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Rocky Mountain Arsenal National Wildlife Refuge: A Wildlife Oasis Born from a Toxic Past

Discover a revitalized wildlife haven just minutes from Denver, where history and nature converge in a unique urban refuge.

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The Rocky Mountain Arsenal National Wildlife Refuge, a 15,000-acre sanctuary just northeast of Denver, is a testament to ecological recovery. Once a chemical weapons manufacturing site, it has transformed into a thriving habitat for over 330 wildlife species, including bison, bald eagles, and black-footed ferrets. Visitors can explore its unique history and observe wildlife on the scenic Wildlife Drive and various trails.

A brief summary to Rocky Mountain Arsenal National Wildlife Refuge

Local tips

  • Visit the refuge during dawn or dusk for the best chances of spotting wildlife.
  • Check the Visitor Center's schedule for guided tours and nature programs.
  • Bring binoculars and a camera to enhance your wildlife viewing experience.
  • Stay in your vehicle when in the bison area and stay on marked trails to protect the habitat and wildlife.
  • The Wildlife Drive is temporarily closed at Lower Derby Lake for road repairs from July 14-July 17, 2025.
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Getting There

  • Driving

    From downtown Denver, take I-70 east to the Havana Street exit. Head north on Havana Street for approximately 2.8 miles to Prairie Parkway/64th Avenue. Turn east onto Prairie Parkway and continue for 0.6 miles to Gateway Road. Turn north onto Gateway Road and proceed through the Refuge entrance. Note: Parking is free within the refuge. Expect limited access to the parking lot at 96th and Chambers due to construction starting July 14, 2025.

  • Public Transport

    While there is no direct public transportation to the Refuge entrance, you can take the train from Denver Union Station to the 61st & Pena Station. From there, a taxi or rideshare service is required to cover the remaining distance to the Refuge. Train fare: $3 Taxi/Rideshare from 61st & Pena Station: Approximately $45-$60.

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Discover more about Rocky Mountain Arsenal National Wildlife Refuge

Just a short drive from downtown Denver, the Rocky Mountain Arsenal National Wildlife Refuge offers a unique blend of history and natural beauty. This vast expanse of prairie, wetlands, and woodlands was once a chemical weapons manufacturing facility during World War II and later used for agricultural chemical production, leaving behind significant contamination. In the 1980s, the discovery of a large bald eagle population sparked a movement to transform the site into a wildlife refuge. Through extensive environmental cleanup efforts, the area has been revitalized, becoming a sanctuary for a diverse array of species. Today, visitors can witness bison roaming the plains, observe raptors soaring overhead, and discover a variety of other animals, including deer, coyotes, and prairie dogs. The refuge offers several ways to experience its wonders. The 11-mile Wildlife Drive provides a self-guided auto tour through the heart of the refuge, with opportunities to spot wildlife along the way. Hiking trails wind through different habitats, allowing for closer encounters with nature. The Visitor Center features interactive exhibits that delve into the site's history and ecology, providing a deeper understanding of its transformation. The Rocky Mountain Arsenal National Wildlife Refuge stands as a symbol of conservation and restoration, demonstrating the resilience of nature and the potential for even the most contaminated sites to be reborn as havens for wildlife.

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