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LakeQuality

Rainbow Lake

Kenai Peninsula County, Alaska156 acresView mapDirections

No nutrient or algae sampling on record from Alaska DEC for this lake.

Mean depth
~18 ft est.
HydroLAKES model
Area
156 acres
Surface area
  • 18 ft mean depth (modelled)

Rainbow Lake in Kenai Peninsula County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 156 acres.

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Rainbow Lake is a 156-acre lake in Kenai Peninsula County, Alaska with an estimated average depth of about 18 feet.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

What Rainbow Lake is good for

From access and monitoring records, not editorial picks.

  • Camping1 public campground nearby

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Rainbow Lake is safe to swim in today is a call for the Alaska Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Rainbow Lake

These are the measurements Alaska DEC publishes for Rainbow Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Rainbow Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Mean depth

~18 ft est.

Surface area

156 acres

Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Alaska has not published bathymetry for Rainbow Lake.

Lake Size & Watershed

Watershed (drainage) area

1 sq mi

HydroLAKES / HydroSHEDS

Mean depth

~18 ft est.

Modelled from terrain, not sounded

Shoreline

2.6 mi

HydroLAKES / HydroSHEDS

Elevation

226 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.

Recreation & Access

1
Campgrounds

Public campgrounds near Rainbow Lake

  • Rainbow Lake Campground0.5 km

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Stays via Stay22

Stays near Rainbow Lake

Compare lakeside cabins, hotels, and vacation rentals near Rainbow Lake in Kenai Peninsula County, Alaska — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Rainbow Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Fishing Rainbow Lake

Nearby Lakes in Kenai Peninsula County

Frequently asked questions about Rainbow Lake

Where is Rainbow Lake?

Rainbow Lake is a lake in Kenai Peninsula County, Alaska. Its water-quality measurements are published by Alaska DEC and shown on this page as reported.

What is the water quality of Rainbow Lake?

Rainbow Lake in Kenai Peninsula County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 156 acres.

Measurements on this page ↑

Is Rainbow Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Rainbow Lake?

No published bathymetric survey covers Rainbow Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 18 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 156 acres.

Are there campgrounds on Rainbow Lake?

Rainbow Lake has 1 public campground from USGS The National Map within 5 km, including Rainbow Lake Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Access on this page ↑

Where this data comes from

Measurements for Rainbow Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.

Other records on this page

Lake size & watershed from HydroLAKES (HydroSHEDS)

Public campgrounds from USGS The National Map Structures, within about 3 miles