Where is Hidden Inlet Lake?

Hidden Inlet Lake is a lake in Ketchikan Gateway County, Alaska. Its water-quality measurements are published by Alaska DEC and shown on this page as reported.

How deep is Hidden Inlet Lake?

No published bathymetric survey covers Hidden Inlet Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 96 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 630 acres.

Hidden Inlet Lake

Ketchikan Gateway County, Alaska630 acresView map Directions

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

Mean depth

~96 ft est.

HydroLAKES model

Area

630 acres

Surface area

96 ft mean depth (modelled)

See the measurements Directions Where to stay

Hidden Inlet Lake in Ketchikan Gateway County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 630 acres.

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Hidden Inlet Lake is a 630-acre lake in Ketchikan Gateway County, Alaska with an estimated average depth of about 96 feet.

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

Swimming conditions

No reading

Not rated

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

Whether Hidden Inlet 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 Hidden Inlet Lake

These are the measurements Alaska DEC publishes for Hidden Inlet 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 Hidden Inlet Lake

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

Lake Details

Mean depth

~96 ft est.

Surface area

630 acres

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

Lake Size & Watershed

Watershed (drainage) area

11 sq mi

HydroLAKES / HydroSHEDS

Mean depth

~96 ft est.

Modelled from terrain, not sounded

Shoreline

7.3 mi

HydroLAKES / HydroSHEDS

Elevation

194 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.

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Stays near Hidden Inlet Lake

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Fishing Hidden Inlet Lake

→ Hidden Inlet Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Ketchikan Gateway County

Humpback Lake5.7 miView →Little Humpback Lake6.3 miView →Reef Point Lake8.7 miView →Bower Lake8 miView →Reef Lake10.9 miView →Harrison Lakes12.4 miView →

Frequently asked questions about Hidden Inlet Lake

Where is Hidden Inlet Lake?: Hidden Inlet Lake is a lake in Ketchikan Gateway County, Alaska. Its water-quality measurements are published by Alaska DEC and shown on this page as reported.
What is the water quality of Hidden Inlet Lake?: Hidden Inlet Lake in Ketchikan Gateway County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 630 acres.
Is Hidden Inlet Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Hidden Inlet Lake?: No published bathymetric survey covers Hidden Inlet Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 96 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 630 acres.