New Jersey State Parks · New Jersey

Swartswood State Park

New Jersey State Parks · New Jersey, United States

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Group sites
Yes
Drinking water
Yes
Restrooms
Yes
Showers
Yes
Pets
No
Elevation
522 ft
Dark sky
Bortle class 4
Cell coverage
T-Mobile weak · AT&T good · Verizon good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
Lake
Swartswood Lake
Nearest town
Newton
Address
1091 County Road 619, Newton, NJ 07860
Phone
973-383-5230
Activities
Camping, Group Camping

About

Swartswood State Park surrounds Swartswood Lake, New Jersey's first state park, near Newton. The campground offers wooded and grassy sites of varying size within walking distance of the lake and a boat launch (a specific total site count is not published by the park), plus 3 group sites near Duck Pond (minimum 7, maximum 20 people) and 6 rustic shelters on a ridge above the campground, none with hookups or electrical outlets. Restrooms and showers are available. Open April 1 through Oct. 31 (shelters through Dec. 15). Alcohol and pets are not permitted in overnight facilities.

Fees

This park's own page does not list a per-night fee for its standard tent/trailer sites. New Jersey's standard statewide rate at comparable state park campgrounds is $20/night for NJ residents and $25/night for non-residents, plus a $5 reservation fee - confirm the exact rate for this park before booking. Pets are not permitted in the campground.

Weather, month by month

MonthTypical highTypical lowColdest nightHottest dayYears with a night below 32°F
January35°23°-3°52°11 of 11
February38°24°-4°62°11 of 11
March47°32°6°71°9 of 11
April62°41°29°87°4 of 11
May69°52°35°91°0 of 11
June75°58°50°93°0 of 11
July84°68°61°95°0 of 11
August82°67°60°94°0 of 11
September77°60°49°89°0 of 11
October62°46°36°82°0 of 10
November48°34°22°67°7 of 10
December38°29°13°59°10 of 10

Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.

Nearby campgrounds

All public campgrounds in New Jersey · Every state and province · Facts read from the operator 2026-08-25. Confirm fees, rules and current status with the operator before you go.