Where is Rainbow Lake?

Rainbow Lake is a lake in Piscataquis County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.

How deep is Rainbow Lake?

Rainbow Lake has a maximum depth of 130 feet and an average depth of 41 feet. The lake covers 1627 acres.

Rainbow Lake

Piscataquis County, Maine1,627 acresView map Directions

No nutrient or algae sampling on record from Maine DEP for this lake.

Max depth

130 ft

Bathymetric survey

Area

1,627 acres

Surface area

Shoreline

15.2 mi

Measured length

130 ft max depth

See the measurements Directions Where to stay

Rainbow Lake in Piscataquis County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 130 ft. Surface area: 1627 acres.

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Rainbow Lake is a 1,627-acre lake in Piscataquis County, Maine with a maximum depth of 130 feet (41-foot average).

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.

Deep water130 ft surveyed max depth
Big water1,627 acres

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 Maine Department of Environmental Protection 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 Maine DEP 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

Max depth

130 ft

Average depth

41 ft

Surface area

1,627 acres

Shoreline

15.2 mi

The depth above comes from a bathymetric survey of this lake, not from a regional estimate.

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Stays near Rainbow Lake

Compare lakeside cabins, hotels, and vacation rentals near Rainbow Lake in Piscataquis County, Maine — 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

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Fishing Rainbow Lake

→ Rainbow Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Piscataquis County

Big Beaver Pond1.9 miView →Horserace Ponds2.2 miView →Nesowadnehunk Deadwater2.6 miView →Holbrook Pond3 miView →Fifth Debsconeag Lake4.1 miView →Sixth Debsconeag Pond—View →

Frequently asked questions about Rainbow Lake

Where is Rainbow Lake?: Rainbow Lake is a lake in Piscataquis County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Rainbow Lake?: Rainbow Lake in Piscataquis County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 130 ft. Surface area: 1627 acres.
Is Rainbow Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Rainbow Lake?: Rainbow Lake has a maximum depth of 130 feet and an average depth of 41 feet. The lake covers 1627 acres.