RV Field
Campground
Campground · 7.0 mi from the trail
Massachusetts · Rock climbing · Lynnfield · Near Newburyport
Unknown Slab
- 5.5
- grade
- Sport Bolted
- style
- Apr–Oct
- best months
One of nine routes catalogued in the Dihedral sector at Bow Ridge Area, this climb sits at the entry level of the crag's 5.5 to 5.12 range.
Around this trail
Add any of these when you start a tripSleep close Eat after 
If it rainsDaderot., CC BY-SA 3.0 · Wikimedia CommonsRebecca Nurse Homestead
Museum
On your way back · 4 mi
Places © OpenStreetMap contributors · Photos: Daderot., CC BY-SA 3.0 (commons)
More in Newburyport- Bow Ridge AreaRock climbing · Next door
- Townhouse BoulderRock climbing · Next door
- Water Tower BoulderRock climbing · Next door
- Back Door BouldersRock climbing · Next door
- Deep Woods AreaRock climbing · Next door
- Brother Boulder 2Rock climbing · Next door
- Brother BouldersRock climbing · Next door
- Naked Fish BoulderRock climbing · Next door
- Sector OneRock climbing · Next door
- Bikini Bottom AreaRock climbing · Next door
Best time to visit Unknown Slab
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
35° / 16°
10 wet
Feb
38° / 17°
9 wet
Mar
44° / 25°
10 wet
Apr
56° / 35°
11 wet
May
67° / 45°
12 wet
Jun
75° / 55°
11 wet
Jul
81° / 60°
11 wet
Aug
79° / 59°
10 wet
Sep
73° / 52°
9 wet
Oct
62° / 41°
11 wet
Nov
50° / 31°
11 wet
Dec
40° / 23°
11 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Middleton, MA, 5.9 mi away at 110 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
