RV Field
Campground
Campground · 6.6 mi from the trail
Massachusetts · Rock climbing · Lynn · Near Newburyport
Union Rock
- 9 routes
- V3 – V6-
- Bouldering
- Apr–Oct
- best months
Union Rock is a bouldering area in Massachusetts, about a mile from Merrimac Terrace. It sits among a cluster of other climbing spots, with Bob Johnson Boulder 1, Venom Boulder and Dungeon Rock Area all about 0.2 miles away. The Lost Boulder is a similar distance off. The climbing here is all bouldering, with nine routes spread across the area. The grades run from V3- to V6-, with the median at V4. Pete Otis is the first ascender on several of the routes, including Ball and Chain, Time Bomb and The Diamond. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Marblehead show July highs around 80°F with lows near 61°F, while winter highs stay in the 30s. Mountain bikers can find the Old Goat Path (OGP) and Overlook Trail within a mile.
Around this trail
Add any of these when you start a tripSleep close Eat after Dunkin'
Fast food
On your way back · 1 mi
If it rainschensiyuan, CC BY-SA 4.0 · Wikimedia Commons
Places © OpenStreetMap contributors · Photos: chensiyuan, CC BY-SA 4.0 (commons)
More in Newburyport
Bob Johnson Boulder 1Rock climbingPhoto: Ehkastning, CC BY-SA 3.0 (via Wikimedia Commons)0.2 mi- Venom BoulderRock climbing0.2 mi
- Dungeon Rock AreaRock climbing0.2 mi
- The Lost BoulderRock climbing0.2 mi
- Old Goat Path (OGP)Mountain biking0.8 mi
- Overlook TrailMountain biking0.9 mi
- Deep Woods Trail EastMountain biking1.2 mi
- Deep Woods Trail WestMountain biking1.7 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
- Bob Johnson Boulder 1Rock climbing · Next doorPhoto: Ehkastning, CC BY-SA 3.0 (via Wikimedia Commons)
- Stone Tower BoulderRock climbing · Next doorPhoto: Ehkastning, CC BY-SA 3.0 (via Wikimedia Commons)
- Waterfront BouldersRock climbing · Next doorPhoto: Ehkastning, CC BY-SA 3.0 (via Wikimedia Commons)
- Venom BoulderRock climbing · Next door
- Dungeon Rock AreaRock climbing · Next door
- The Lost BoulderRock climbing · Next door
- Yellow BoulderRock climbing · Next door
- Shoreline BoulderRock climbing · Next door
- Bob Johnson Boulder 2Rock climbing · Next door
- Gully BouldersRock climbing · Next door
Best time to visit Union Rock
Best months: April–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
36° / 18°
10 wet
Feb
38° / 20°
8 wet
Mar
44° / 26°
10 wet
Apr
55° / 36°
11 wet
May
65° / 45°
11 wet
Jun
74° / 54°
10 wet
Jul
80° / 61°
9 wet
Aug
79° / 60°
8 wet
Sep
72° / 53°
8 wet
Oct
61° / 42°
10 wet
Nov
51° / 33°
10 wet
Dec
42° / 24°
10 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Marblehead, MA, 6.3 mi away at 84 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
