Half Moon Area
- 9 routes
- V0 – V6-
- Bouldering
- Apr, Jun–Oct
- best months
The Half Moon Area is a bouldering area in Sourland Mountain Preserve in New Jersey, on county land. It sits among a cluster of climbing spots, with Devil's Half Acre and Southfield both within a quarter mile, and the Devils Half-Acre Trail and Tributary Trail hikes close by. The area is a bouldering destination, with nine routes listed, all of them boulders. The grades run from V0 to V6, with the hardest being Dwarf in Paris at V6. The easiest are Corner problem and an unnamed V0. The routes are all boulders, so there is no climbing on rock faces here. For comfortable weather, aim for late spring or early fall. Typical averages from a nearby weather station show May highs around 71°F and September highs around 77°F, with July the warmest month at about 85°F. The Delaware & Raritan Canal Water Trail is about 6 miles away for paddlers.
Devil's Half AcreRock climbingPhoto: Famartin, CC BY-SA 4.0 (via Wikimedia Commons)0.1 mi- Sourland Mountain PreserveRock climbing0.1 mi
- SouthfieldRock climbing0.2 mi
Devils Half-Acre TrailHikingPhoto: robanhk, CC BY-SA 2.0 (via Flickr)0.4 mi
Tributary TrailHikingPhoto: robanhk, CC BY-SA 2.0 (via Flickr)0.6 mi
Maple Flats TrailHikingPhoto: robanhk, CC BY-SA 2.0 (via Flickr)0.7 mi- Ridge TrailHikingPhoto: robanhk, CC BY-SA 2.0 (via Flickr)0.9 mi
- Delaware & Raritan Canal Water TrailCanoeing6.4 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
- Devil's Half AcreRock climbing · Next doorPhoto: Famartin, CC BY-SA 4.0 (via Wikimedia Commons)
o. Chain Reaction ButtressRock climbing · ~36 min drivePhoto: Andrew Gnias, CC BY-SA 4.0 (via Wikimedia Commons)- Ralph Stover State Park (High Rocks)Rock climbing · ~36 min drivePhoto: Andrew Gnias, CC BY-SA 4.0 (via Wikimedia Commons)
- f. Cramped FaceRock climbing · ~36 min drivePhoto: Andrew Gnias, CC BY-SA 4.0 (via Wikimedia Commons)
- Sourland Mountain PreserveRock climbing · Next door
- SouthfieldRock climbing · Next door
- Backyard BouldersRock climbing · ~2 min drive
- PlaygroundRock climbing · ~2 min drive
- Main BoulderRock climbing · ~2 min drive
- Roaring RocksRock climbing · ~2 min drive
Best time to visit Half Moon Area
Best months: April and June–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
38° / 22°
11 wet
Feb
41° / 23°
10 wet
Mar
49° / 30°
11 wet
Apr
62° / 40°
12 wet
May
71° / 50°
13 wet
Jun
80° / 59°
12 wet
Jul
85° / 64°
11 wet
Aug
83° / 62°
11 wet
Sep
77° / 55°
9 wet
Oct
65° / 44°
10 wet
Nov
54° / 35°
10 wet
Dec
43° / 27°
11 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Wertsville 4 Ne, NJ, 4.4 mi away at 283 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
