Recreation AreaRecreation.gov

Foster Lake

Sweet Home, Oregon · Linn County

Located in the beautiful Willamette Valley on the South Santiam River, Foster Lake provides boating, swimming and picnicking opportunities. The Foster Dam and Lake regulates the flow from the nearby Green Peter dam. The dam provides flood control, irrigation, power generation, recreation and improved navigation downstr…

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44.41290, -122.66960
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About Foster Lake

Located in the beautiful Willamette Valley on the South Santiam River, Foster Lake provides boating, swimming and picnicking opportunities. The Foster Dam and Lake regulates the flow from the nearby Green Peter dam. The dam provides flood control, irrigation, power generation, recreation and improved navigation downstream.

Plan Your Visit to Foster Lake

Heading to Foster Lake? A few things to know before you go:

  • Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
  • Fees: day-use and camping fees vary; check current rates on the official park page
  • Trash & pack-out: follow Leave No Trace principles
  • Wildlife: store food in bear boxes where provided; never feed wildlife
  • Weather: the 5-day forecast above is updated every 6 hours; verify just before you go

Frequently Asked Questions

Do I need a reservation for Foster Lake?

No central reservation system listed for Foster Lake. Check the official page (https://www.recreation.gov/recarea/244) for the latest entry policy and availability.

How do I get to Foster Lake?

From Sweet Home, 4 miles northeast on OR 20.

How do I contact Foster Lake?

You can reach the park at phone: (541) 937-2131.

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