Wisconsin · Rock climbing · Hales Corners

Jake's Rock

16 routes
V0- – V5+
Bouldering
Apr, Jun–Oct
best months

Jake's Rock is a bouldering area in Hales Corner Park in Wisconsin, on county land. The park is the land unit that holds the climbing, and the area is managed by the county. The climbing here is all bouldering, with 16 routes spread across the V0- to V5+ range. The easiest are Jacob's Ladder at V0- and Pocket Protector at V1-, while High Traverse clockwise is the hardest at V5+. The most comfortable months for a visit are late spring through early fall. Typical averages from a nearby weather station run from highs around 68°F in May to about 83°F in July, with September easing back to the mid-70s. Several other outdoor spots sit close by. The Blue Trail and Red Trail cross-country ski routes are each about 1.7 miles away, and the Falcon Ridge Trail hike is about 1.9 miles off. Paddlers can reach the Root River, roughly 2.9 miles away.

  • Best time to go · Apr, Jun–Oct

    Best time to visit Jake's Rock

    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° / 12°

      10 wet

    2. Feb

      33° / 15°

      9 wet

    3. Mar

      44° / 24°

      9 wet

    4. Apr

      56° / 34°

      11 wet

    5. May

      68° / 46°

      13 wet

    6. Jun

      78° / 56°

      11 wet

    7. Jul

      83° / 61°

      9 wet

    8. Aug

      81° / 59°

      10 wet

    9. Sep

      74° / 51°

      10 wet

    10. Oct

      62° / 40°

      11 wet

    11. Nov

      47° / 28°

      9 wet

    12. Dec

      35° / 18°

      9 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Hales Corners/Whitnall Park/Bo, WI, 1.5 mi away at 774 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (16)