Where is Delaware Lake?

Delaware Lake is a lake in Knowlton Township, New Jersey.

How is Delaware Lake rated?

Delaware Lake in Knowlton Township, New Jersey has an average visitor rating of 4.5 out of 5, based on 15 reviews.

Updated August 13, 2025

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Photo: Delaware Lake 1 by Sixflashphoto (CC BY-SA 4.0) License

Delaware Lake

Lake · Knowlton Township, New Jersey

4.5(15 reviews)

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Rainy today

Things to Do Near Delaware Lake

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Weather at Delaware Lake

H: 82° L: 63°

Patchy rain nearby

75°

Feels like 76°

Precipitation

81%

Humidity

74%

Wind

8 mph

UV Index

5.4

Water Conditions:

🏊Cool but swimmable🧴High UV - use sunscreen🌧️Rain expected

12 AM

67°

3 AM

66°

6 AM

65°

9 AM

69°

12 PM

75°

3 PM

82°

6 PM

72°

9 PM

69°

Pack smarter for Delaware Lake

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

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Inflatable PaddleboardA popular way to explore calm coves and shorelines.

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Life JacketImportant around boats, paddling, and deeper swimming areas.

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Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.

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Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.

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Frequently asked questions

Where is Delaware Lake?: Delaware Lake is a lake in Knowlton Township, New Jersey.
Can you swim at Delaware Lake?: There is no fixed answer for Delaware Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Delaware Lake in Knowlton Township, New Jersey. Check current water conditions before you go, and follow posted signs and local guidance.
How is Delaware Lake rated?: Delaware Lake in Knowlton Township, New Jersey has an average visitor rating of 4.5 out of 5, based on 15 reviews.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

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Right Now

Not ideal for outdoor activities today

🏞️ Lakes Tips:

›Check for boat launch facilities and fees
›Obtain required fishing licenses before arrival
›Be aware of lake-specific regulations and restrictions
›Monitor water quality reports before swimming

Best Seasons:

☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Knowlton Township, NJ 07832

Knowlton Township, New Jersey 07832

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