Potholes Reservoir, Washington, USA

Potholes Reservoir was formed by the building of the O’Sullivan Dam which is one of the largest earthfill dams in the United States. The name “pothole” originated due to large depressions in the earth in that area, some as large as 70 yards wide by 60 feet deep, created during the Pleistocene flooding in prehistoric times. These potholes were filled in the 1950s after the completion of the O’Sullivan Dam, – READ THE FULL ARTICLE

Welcome to the ultimate guide to Potholes Reservoir! Article topics include:

Looking for Potholes Reservoir cabins or other accommodations? Save time and use this interactive map to find, compare and book at the best rates. Or explore more of our favorite travel partners.

Welcome to the ultimate guide to Potholes Reservoir! Article topics include:

Looking for Potholes Reservoir cabins or other accommodations? Save time and use this interactive map to find, compare and book at the best rates. Or explore more of our favorite travel partners.

All About Potholes Reservoir

Lake Locations: USA - West - Washington - North Central Washington -

Potholes Reservoir was formed by the building of the O’Sullivan Dam which is one of the largest earthfill dams in the United States. The name “pothole” originated due to large depressions in the earth in that area, some as large as 70 yards wide by 60 feet deep, created during the Pleistocene flooding in prehistoric times. These potholes were filled in the 1950s after the completion of the O’Sullivan Dam, and water began to fill the reservoir.

The Potholes Reservoir and O’Sullivan Dam were built by the U.S. Army Corps of Engineers and the Bureau of Reclamation as part of the Columbia Basin Project. The O’Sullivan Dam was named after James O’Sullivan a local attorney who campaigned continuously to bring water to the then dry area of central Washington. The main purpose of the Potholes Reservoir is to collect return flows from all irrigation in the upper portion of the project for reuse and irrigating in the lower portion. With a maximum depth of 142 feet and mean depth of 18 feet, there is a wide fluctuation of water in the reservoir due to the irrigation process. No power is generated from the O’Sullivan Dam.

Surrounded by sand dunes and rocky canyons, Potholes Reservoir is a nature lover’s paradise. Located on the Pacific Flyway, birdwatchers can watch millions of birds use the area as a resting and feeding stop on their annual migrations in addition to the many birds and waterfowl that are native to the area. Bass, perch, sunfish, crappie are plentiful for fishing in the Potholes Reservoir. Jackrabbits, ground squirrels, marmots, muskrats and a large variety of mice are abundant in the area where coyotes are the most abundant predatory mammal. Mule deer can be seen in the fringe areas where appropriate habitat exists.

Located on 640 acres with 6000 feet of shoreline, Potholes State Park has over 350,000 visitors a year. There are four boat ramps for boating and other water sports, as well as sandy beaches for swimming. Campsites with and without utility hookup are available however, no campsites are next to the Potholes Reservoir.

Built to bring beneficial water to the farming lands, Potholes Reservoir has become a recreational and nature retreat for thousands. Whether you come for the recreational activities, the great fishing, or just to enjoy the natural beauty of the terrain, Potholes Reservoir will definitely will be worth the trip.

Things to Do at Potholes Reservoir

  • Vacation Rentals
  • Fishing
  • Boating
  • Swimming
  • Beach
  • Camping
  • Wildlife Viewing
  • Birding
  • State Park

Fish Species Found at Potholes Reservoir

  • Bass
  • Crappie
  • Perch
  • Sunfish

All About Potholes Reservoir

Best hotels and vacation rentals at Potholes Reservoir

The Potholes Reservoir map shown above is a simple and stress-free way to search for trip accommodations. But if you want to take a deeper dive to find the ideal waterfront home, cabin, condo, hotel or resort, visit our favorite lodging partners by clicking the buttons below.

Note: These are affiliate links so we may earn a small commission if you book through them. While there is no extra cost to you, it helps provide resources to keep our site running (thank you)! You can read our full disclosure policy here.


More Ways to Book a Potholes Reservoir Vacation

While our interactive map above is perfect for comparing LAKENAME rental homes (with VRBO) and nearby hotels (with Booking.com), there might be times when you need to expand your search with a different type of accommodation. Here are some other LAKNAME lodging partners you might want to explore:

Check TripAdvisor
Explore RV Rentals
Find a Campspot
View All Resources

Note: These are affiliate links and we may earn a small commission. Read our full disclosure policy here.


More Sites to Book a Potholes Reservoir Vacation

Our interactive lodging map shown above is perfect for comparing LAKENAME VRBO rental homes and nearby Booking.com hotels, there are times when you need to expand your search for different types of accommodation. Here are some other LAKNAME lodging partners you can explore:

Check TripAdvisor
Explore RV Rentals
Find a Campspot
View All Resources

Note: These are affiliate links and we may earn a small commission. Read our disclosure policy here.


More Sites to Book a Potholes Reservoir Vacation

Our interactive lodging map shown above is perfect for comparing LAKENAME VRBO rental homes and nearby Booking.com hotels, there are times when you need to expand your search for different types of accommodation. Here are some other LAKNAME lodging partners you can explore:

Check TripAdvisor
Explore RV Rentals
Find a Campspot
View All Resources

Note: These are affiliate links and we may earn a small commission. Read our disclosure policy here.


Recommended Sites to Book a Potholes Reservoir Vacation

If you want to take a deeper dive to find waterfront lake cabins, cottages, condos, hotels or resorts, check out our favorite Potholes Reservoir lodging partners.

  • VRBO – Use VRBO to find the perfect lake rental home, condo, cabin, cottage or other vacation property.
  • Booking.com – One of the world’s leading digital travel companies, Booking.com connects travelers to everything from cozy B&Bs to luxury resorts.
  • Expedia – Expedia is a popular online travel agency with more than 140,000 lodging properties worldwide.
  • Hotels.com – With more than 325,000 hotels in 19,000-plus locations, Hotels.com is an industry leader in online accommodations.
  • TripAdvisor – Read traveler reviews and compare prices on hotels, vacation rentals and more at TripAdvisor.
  • Trivago – Trivago helps travelers compare deals for hotels and other accommodations from a variety of booking sites.
  • KAYAK – KAYAK scours hundreds of other travel websites at once to find the best deals on hotels and other travel-related services.
  • RVshare –RVshare connects travelers interested in renting a motorhome with owners who have RVs to rent.
  • CampSpot – Campspot offers premier RV resorts, family campgrounds, cabins and glamping options across North America.
ALL TRAVEL RESOURCES

Note: These are affiliate links so we may earn a small commission if you book through them. While there is no extra cost to you, it helps provide resources to keep our site running (thank you)! You can read our full disclosure policy here.

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Lake Type: Artificial Reservoir, Dammed

Water Level Control: Bureau of Reclamation

Surface Area: 27,800 acres

Normal Elevation (Full Pond): 1,052 feet

Average Depth: 18 feet

Maximum Depth: 142 feet

Water Volume: 500,000 acre-feet

Completion Year: 1949

Trophic State: Eutrophic

We strive to keep the information on LakeLubbers as accurate as possible. However, if you’ve found something in this article that needs updating, we’d certainly love to hear from you! Please fill out our Content Correction form.

More Potholes Reservoir news from LakeLubbers.com

  • Advertise your vacation rental property or local business: DETAILS HERE
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  • New Potholes Reservoir photos coming soon!
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  • Share this Potholes Reservoir article with your fellow LakeLubbers:

Do you have a vacation rental property at Potholes Reservoir? Coming in 2022, LakeLubbers will have an opportunity for you to showcase your listing and put it in front of thousands of lake lovers searching our site for homes, condos or townhomes to rent for their upcoming lake trip this season.

Please get in touch with our advertising team HERE and we’ll provide you more details on this upcoming advertising opportunity.

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LakeLubbers previously offered visitors the ability to create accounts and participate in lake forums. When we overhauled the site’s content management system in 2021 we had to disable those features. We’re evaluating options and welcome your comments and feedback here.

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Click here to advertise your Potholes Reservoir vacation rental or local business.

The former Potholes Reservoir forum is closed. Find out why here.

New Potholes Reservoir photo gallery is coming soon.

Please share this article with your fellow lake lovers!

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Explore local Potholes Reservoir vacation rentals and hotel accommodations using our interactive map. Clicking on listings below will allow you to compare nearby properties, best rates and availability for your dates.

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New Potholes Reservoir photos coming soon!

Vacation Home Name

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  • 2 bedrooms
  • 2 bathrooms
  • hot tub
  • wifi