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Melton Reservoir

Donnelly, Idaho — Valley County.

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6.4Surface acres

Surface area: The USGS National Hydrography Dataset outline (NHD Permanent ID 42401283).

Getting there

Flying here

The closest airport with scheduled passenger flights to Melton Reservoir, plus larger airports within about 150 miles:

Driving here

Pick up a rental car at the airport you fly into and drive to Melton Reservoir.

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Staying here

Look for hotels in and around Donnelly, ID.

Search hotels near Donnelly, ID on Klook

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Airports with scheduled airline service from OurAirports (large and medium airports); larger airports are FAA large, medium and small hubs by FAA CY2025 enplanements ("major airport" = FAA large hub). Distances are straight-line from the lake's center, not driving distance; road routes are longer.

Things to do near Melton Reservoir

Look up tours, activities and attraction tickets around Donnelly, ID on Klook.

Browse things to do near Donnelly, ID on Klook

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Boat rentals near Melton Reservoir

Browse boat, pontoon and kayak rentals and charters listed on GetMyBoat.

Boat rentals in Idaho on GetMyBoat

Listings, prices and availability are set by GetMyBoat and its hosts. Check the lake's own boating rules before you go.

Location & fast facts

Where Melton Reservoir is in Idaho

The red circle marks Melton Reservoir.

Fast facts

About Melton Reservoir

  • County: Valley
  • Nearest city: Donnelly (about 2.8 mi from the lake)
  • Mapped as: Lake or pond (USGS National Hydrography Dataset)
  • Distance: about 81 mi from Boise and 172 mi from Twin Falls, straight-line (not driving distance)

Towns and counties: U.S. Census Bureau boundaries overlaid on the USGS lake outline (Idaho: incorporated places touching the lake, otherwise the nearest one).

Fishing in Idaho

Official IDFG pages. Rules and fees change; check before you go.

Good for & watch for

Good for

  • Camping. 20 campgrounds within 15 mi (list)

Watch for

    Built only from the data on this page: official access lists, OpenStreetMap beaches and trails, campground listings, state and USGS invasive-species records. We don't rate crowds or water quality.

    Lake map

    Melton Reservoir shoreline

    0.05 mileN

    No public access sites are listed for this water in the OpenStreetMap boat ramps (no statewide agency ramp layer used) data.

    Shoreline: USGS National Hydrography Dataset (NHD Waterbody, Permanent ID 42401283), public domain. State outline: U.S. Census Bureau TIGERweb. Points: OpenStreetMap boat ramps (no statewide agency ramp layer used). Interactive map: Leaflet with © OpenStreetMap contributors. Not for navigation.

    Campgrounds near Melton Reservoir

    We found 20 campgrounds and RV parks within 15 miles of Melton Reservoir, 4 of them within 5 miles. Distances are straight-line from the nearest point on the shoreline, so driving distance is longer.

    14 more within 15 miles

    All campgrounds & RV parks in Idaho

    Green tent icons on the lake map mark campgrounds near the shore, and the interactive map shows the closest 12. Amenities are listed only where a source records them; call or check the campground's website before you go, since seasons and rates change every year.

    Campground data: Recreation.gov (RIDB) · OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026.

    Conditions right now

    Air temperature & conditions (nearest NWS station)Loading…
    Fetching the latest National Weather Service observation…

    Live from the National Weather Service API for the lake's coordinates (44.7790, -116.0193). The nearest station may be several miles away. NWS forecast for Melton Reservoir. No live water-temperature sensor is shown because we haven't found a public one for this lake.

    Sun, moon & best fishing times

    Sun & moon at Melton Reservoir

    Best fishing times

    Major periodMinor periodDaylight

      Based on solunar theory, an estimate. Major periods (about 2 hours) center on when the moon is directly overhead or underfoot; minor periods (about 1 hour) center on moonrise and moonset. The 0–100 activity score rises during those periods and gets a boost near sunrise and sunset and around the new and full moon. Weather, water temperature and pressure often matter more. Sun and moon times are calculated in your browser from the lake's coordinates with standard astronomy formulas, shown in MT (America/Boise), and accurate to within a few minutes.

      Fishing gear for Melton Reservoir

      Basic freshwater tackle for a day on Melton Reservoir. These open Amazon search results; check your state's fishing rules for the water before you buy bait or tackle.

      As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.

      Contact & official info

      Questions about Melton Reservoir

      How big is Melton Reservoir?

      Melton Reservoir covers about 6 acres in Donnelly, Idaho (Valley County).

      Are there campgrounds near Melton Reservoir?

      Yes. We list 20 campgrounds and RV parks within 15 miles, 4 of them within 5 miles.

      What towns are on Melton Reservoir?

      Melton Reservoir touches Donnelly in Valley County, Idaho.

      Share a tip or fishing report

      Know Melton Reservoir? Tell us about the launch, parking, where they're biting or anything a first-time visitor should know. Tips go privately to the LakeRipple editor; nothing is posted automatically. Helpful tips may be featured on this page (we'll use your first name only if you give one).

      Lakes & ponds nearby

      Straight-line distance between lake centers. All Idaho lakes & ponds · All waters in Donnelly