Connecticut · Rock climbing · Quaker Hill

Main Mama Wall

5 routes
5.7 – 5.10a
Top Rope · Trad
Apr–Oct
best months

Main Mama Wall is a climbing area in Connecticut, about 0.3 miles from the village of Harrisons. It sits within a small cluster of bouldering and rock climbing spots, with Mamacoke Island just 0.1 miles away. The wall is close to town, making it an easy stop for a short session on the rocks. Summer is the most comfortable time to climb. Typical averages from the nearby Groton weather station run from highs around 75°F in June to about 81°F in July, with September easing back to around 74°F. Winter brings highs in the upper 30s and a few snowy days each month from December through February. Several other climbing areas lie within a few miles, including Immortal Technique Wall and Winding Hollow at about 2.8 miles and 100 Acre Wood at about 3.2 miles. For a walk, the Barrett Yellow Trail is about 2.5 miles away.

  • Best time to go · Apr–Oct

    Best time to visit Main Mama Wall

    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

      39° / 24°

      11 wet · 3 snow

    2. Feb

      41° / 25°

      10 wet · 3 snow

    3. Mar

      47° / 32°

      12 wet · 2 snow

    4. Apr

      57° / 41°

      12 wet

    5. May

      66° / 50°

      12 wet

    6. Jun

      75° / 59°

      10 wet

    7. Jul

      81° / 66°

      10 wet

    8. Aug

      80° / 65°

      10 wet

    9. Sep

      74° / 58°

      10 wet

    10. Oct

      63° / 47°

      11 wet

    11. Nov

      53° / 38°

      10 wet

    12. Dec

      44° / 30°

      12 wet · 2 snow

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Groton, CT, 4.2 mi away at 40 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (5)

Keep exploring — more climbs worth the drive

Keeny Road BouldersPhoto: Morrowlong, CC BY-SA 4.0 (via Wikimedia Commons)

Keeny Road Boulders

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Keeny Road Boulders in Connecticut has 3 bouldering routes across 3 difficulty grades.

Balancing RockPhoto: Morrowlong, CC BY-SA 4.0 (via Wikimedia Commons)

Balancing Rock

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Balancing Rock in Connecticut has 6 bouldering routes across 5 grades.

East Lyme PropertyPhoto: Morrowlong, CC BY-SA 4.0 (via Wikimedia Commons)

East Lyme Property

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East Lyme Property in Connecticut has 21 bouldering routes.

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Mamacoke Island

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Mamacoke Island in Connecticut has 7 climbing routes across 4 grades, offering bouldering and trad.

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Immortal Technique Wall

~5 min drive

Immortal Technique Wall in Connecticut has 9 bouldering routes.

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Winding Hollow

~5 min drive

Winding Hollow in Connecticut has 10 bouldering routes across 6 grades.

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100 Acre Wood

~5 min drive

100 Acre Wood in Connecticut has 10 bouldering routes across 7 grades.

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Ghost Face and Grave Yard

~8 min drive

Ghost Face and Grave Yard in Connecticut has 5 bouldering routes across 5 difficulty grades.

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Mystic Areas

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Ledyard Areas

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Ledyard Areas in Connecticut has 3 bouldering routes across 2 grades.