Visitor Center & Esplanade

Start your visit at the Visitor Center where Park Rangers and Volunteers are available to answer questions and help you get oriented.

Pick up official brochures and maps of Corps recreational areas.

Children can get started with coloring and activity books.

Engage with interpretive exhibits and learn about Migrating Fish, Hydropower, River Navigation, Environmental Stewardship, Recreation, Wildlife and other Army Corps Missions at Lower Granite.

Experience migrating species ascending the fish ladder at the viewing window.
Tour our grounds and facilities with a Ranger or Corps Volunteer.
You can watch Powering the Northwest and other informational videos in the theatre.
Enjoy great views of the Lower Granite Lock & Dam and the Snake River on the Visitor Center Esplanade.

Then, enjoy exploring! The Visitor Center is a great starting point for recreation opportunities along the Lower Snake River.

Fish Viewing Window and Bookstore

Fish Viewing Window
Get an up-close look at the many species of fish that make the Snake River their home.

Marvel at the convergence of nature and ingenuity as migrating fish traverse the fish ladder.


Books, educational items and gifts are available to purchase from the Discover Your Northwest Bookstore inside the Visitor Center.

Visitor Information

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 Visitor Details

30-60 minutes: Allow yourself about thirty minutes in the Visitor Center and sixty minutes for a hard hat tour of the dam

  • Interpretive Exhibits
  • Fish Viewing
  • Guided Tour
  • Gateway to outdoor recreation
  • Day-Use Area & Picnicking
  • Restrooms
  • Drinking Water
  • Fishing-seasonal, according to Washington State regulations


Lower Granite Lock and Dam

Address: 885 Almota Ferry Rd, Pomeroy, WA 99347- (vicinity map pdf)

Year Round
  • Closed on Thanksgiving, Christmas & New Years
Visitor Center: Daily (7 days a week) 9:00a.m. - 4:30p.m
Bookstore: Monday - Friday 9:00a.m. - 4:00p.m (conditional on availability)

Note: Please call before your arrival to confirm availability.

  • Cell phone service limited
  • Please follow all guidance while visiting
 Guided Tours

Summer   May - October

  • Friday-Saturday, scheduled tours at 2 p.m.
  • Sunday-Thursday by request or appointment


Winter   November - April

  • Monday - Friday by request or appointment

Tour Requirements

  • Face mask
  • Closed-toe shoes
  • Photo ID required for 18+
  • No bags or cameras in secured areas
  • Tours available for larger groups with prior appointment



The Lower Granite Visitor Center is a gateway to recreational opportunities on both Lower Granite Lake and Lake Bryan.
Use Recreation Mapper to explore recreation on Corps Lands: Recreation on Corps Lands (

Dam Crossing

Daily from 7 a.m. through 5 p.m., except for federal holidays unless otherwise announced.

  • Tour and school buses must contact the dam at 509-843-1493 at least 24 hours in advance for crossing authorization.
    • Extended Crossing hours Friday, Saturday and Sunday until 7pm (Memorial Day-Labor Day)
    • For up-to-date info, call 1-888-DAM-INFO (1-888-326-4636)

Learn more about Dam Crossing.


Visitor Center: Daily (7 days a week)

9:00a.m. - 4:30p.m

Bookstore: Monday - Friday
9:00a.m. - 4:00p.m

(conditional on availability)

Note: Please call before your arrival to confirm availability.

Contact Us

Lower Granite Visitor Center
Lower Granite Visitor Center Ranger
Natural Resource Specialist (Park Ranger)- For Enforcement & Regulatory Concerns
Natural Resource Management Office


Tour and Visitor Center Information: Schedule a Tour!

Natural Resource Management Office
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