national dog pet policy info.

Hanford Reach National Monument

Located in the state of Washington

Created from what used to be the security buffer surrounding the Hanford Nuclear Reservation, this area has been untouched by development or agriculture since 1943. The area is part of the Columbia River Plateau, formed by basalt lava flows and water erosion, and is named after the Hanford Reach, the last free flowing section of the Columbia River.

Dogs are not permitted with the exception of service animals

*Please see more details for leash info

Dogs are not permitted with the exception of service animals

*Please see more details for leash info

Dogs are not permitted with the exception of service animals

Leash Laws: Most parks require dogs to be on a leash in some or all areas, however, some parks allow dogs off leash in certain locations, please consult the parks website before going off leash, Thank you!

  • Consult the park website before traveling all information is to be used as a guide.
  • Respect local wildlife.
  • Leave no trace – What you bring in, you bring out.
  • If you are visiting during the hottest months of the year, a “palm test” is recommended before walking your dog – place your hand on the pavement for a minute and see if it is comfortable there. If the pavement feels hot to your palm, it will be hot to your dog’s paws.

Hanford Reach National Monument Website

Hanford Reach National Monument Volunteer

We do our best to keep all information current and accurate - If you see an error or think we have missed something please contact us directly.

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We do our best to keep all information current and accurate - If you see an error or think we have missed something please contact us directly.

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