Lyons Ferry Marina

Located on the Snake River, the facility is within Columbia County. 
Pumpout Location:
46° 35' 10.12" (46.5861444834531)
Longitude: 118° 13' 13.14" (-118.22032)
Current NOAA nautical charts can be found at the following location:        
Pumpout Facility Information
Port of Columbia - Lyons Ferry Marina is a public marina with an accessible  Edson pumpout and dump station. This facility is open from February to December.

Summer hours:
Sunday through Thursday, 7 a.m. - 7 p.m.

Winter hours:
 Friday and Saturday, 7 a.m. - 9 p.m.

There is a $5 fee for using the pumpout which also has  a dedicated slip available for pumpout usage. 

Marine Services
Services available for a fee: 
Boat launch
Overnight moorage. The guest dock is 80 feet in length. There are 38 guest moorage slips available. The total estimated guest boat capacity is 38.
Electrical hookup. Electrical power is available in 30 amps. 

The reported minimum depth at mean low water is 8 feet.

Day-Use & Campground Accommodations
Campsites without hookups are available for overnight stays for a fee.  Barbeque pits are also available.

The marina is owned by the Port of Columbia and operated by KOA.