New Hampshire · Rock climbing · Keene

Stone Arch Bridge

7 routes
5.8 – 5.11a/b
Top Rope · Trad
Apr, Jun–Oct
best months

Stone Arch Bridge is a climbing area in New Hampshire, about half a mile from the town of Joslin. It is a compact spot with seven routes, five of which are top rope and two are trad, and the grades run from 5.8 to 5.11. The hardest of the top rope routes is Master Mason at 5.11, and the trad route Arch-a-Way is 5.11a/b. Summer is the most comfortable time to climb. Typical averages from a nearby weather station in Keene show July highs around 82°F with lows near 56°F, while winter brings highs in the 30s and regular snow days from December through February. The Branch, a canoeing spot, is less than a mile away, and the Sunset Rocks trail and Red Heart Trail are both within about a mile and a half. For an overnight stay, Otter Brook Lake Recreation Area is roughly 4 miles off.

  • Best time to go · Apr, Jun–Oct

    Best time to visit Stone Arch Bridge

    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.

    1. Jan

      30° / 10°

      11 wet · 7 snow

    2. Feb

      34° / 11°

      10 wet · 6 snow

    3. Mar

      43° / 20°

      11 wet · 5 snow

    4. Apr

      57° / 30°

      11 wet · 1 snow

    5. May

      69° / 41°

      13 wet

    6. Jun

      77° / 51°

      12 wet

    7. Jul

      82° / 56°

      12 wet

    8. Aug

      81° / 54°

      10 wet

    9. Sep

      73° / 47°

      10 wet

    10. Oct

      60° / 36°

      11 wet

    11. Nov

      47° / 27°

      11 wet · 2 snow

    12. Dec

      36° / 18°

      12 wet · 6 snow

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Keene, NH, 4 mi away at 511 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (7)