Massachusetts · Rock climbing · Lawrence · Near Newburyport

Petroleum Based

5.5
grade
Trad Gear
style
Apr–Oct
best months

One of five routes catalogued at Petroleum Base Buttress, this climb sits at the lower end of the crag's range.

Around this trail

Add any of these when you start a trip
  • Sleep close

    Camp Maude Eaton

    Campground

    Campground · 3.0 mi from the trail
  • Eat after

    Boston Market

    Fast food

    On your way back · 1 mi
  • If it rains

    North Andover Historical Society

    Museum

    On your way back · 1 mi

    Historical society in Massachusetts, United States

Places © OpenStreetMap contributors

More in Newburyport
  • Nearby · Wilmington Boulders · Deers Leap (Windham) · Pelham Tree Farm Boulders
  • Best time to go · Apr–Oct

    Best time to visit Petroleum Based

    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.

    1. Jan

      35° / 20°

    2. Feb

      37° / 21°

    3. Mar

      45° / 30°

    4. Apr

      57° / 40°

    5. May

      68° / 50°

    6. Jun

      77° / 59°

    7. Jul

      83° / 65°

    8. Aug

      81° / 64°

    9. Sep

      74° / 56°

    10. Oct

      62° / 44°

    11. Nov

      51° / 35°

    12. Dec

      41° / 26°

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Lawrence, MA, 2 mi away at 50 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

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