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FacilityCampgroundRecreation.gov

Spillway Campground

Atlanta, Idaho · Elmore County · Campground

Overview: Spillway Campground is a small campground with 3 campsites along Anderson Ranch Reservoir. The reservoir is a popular destination for fishing, boating, waterskiing and riding personal watercraft. There is excellent fishing in the reservoir for smallmouth bass and kokanee. Also try your luck at fly fishing jus…

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About Spillway Campground

Overview: Spillway Campground is a small campground with 3 campsites along Anderson Ranch Reservoir. The reservoir is a popular destination for fishing, boating, waterskiing and riding personal watercraft. There is excellent fishing in the reservoir for smallmouth bass and kokanee. Also try your luck at fly fishing just below the dam for a trout!Rafting access is at Reclamation Village, just south of the campground.

How to Get There

From Mountain Home, Idaho travel northeast 21 miles along State Highway 20 to the Forest Service road 134 turnoff. Take the Forest Service road 134 north approximately 6 miles to the Anderson Ranch Dam and Spillway Campground is a stone's throw from the Dam.

Driving directions (Google Maps) →

What to Pack for Your Stay

Tuned to the live forecast for this park.

👔 What to Wear

  • 👕
    Long-sleeve shirt
    Synthetic or merino, sun-protective.
  • 🧥
    Light shell or windbreaker
    Even on warm days, wind can chill (avg wind 0 mph).
  • 👖
    Hiking pants or convertible
    Layer for variable conditions.
  • 🥾
    Trail runners or low boots
    Comfortable, broken in.

🎒 What to Pack

  • 💧
    Water
    Bring at least 1L of water; more in heat.
  • 🍫
    High-energy snacks
    A snack for the trail.
  • 🧴
    Sun protection
    Sunscreen, sunglasses, brimmed hat.
  • 🩹
    First-aid kit
    Blister patches, ibuprofen, tape, antiseptic wipes.
  • 🗺
    Offline map
    Download your route in advance via Gaia, Caltopo, or OSM-based apps.

Recommendations adapt to the current forecast + trail stats. Use them as a starting point — local conditions, your experience, and the time of day you start all matter.

Plan Your Visit to Spillway Campground

Heading to Spillway Campground? 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 Spillway Campground?

No central reservation system listed for Spillway Campground. Check the official page (https://www.recreation.gov/camping/campgrounds/238059) for the latest entry policy and availability.

How do I get to Spillway Campground?

From Mountain Home, Idaho travel northeast 21 miles along State Highway 20 to the Forest Service road 134 turnoff. Take the Forest Service road 134 north approximately 6 miles to the Anderson Ranch Dam and Spillway Campground is a stone's throw from the Dam.