California · Rock climbing · Mount Shasta

South Fork

South Fork is a climbing area in California with 3 routes.

3 routes
5.8 – 5.10+
Mixed

Is South Fork open right now?

Closure in the area

There's a closure order in Shasta-Trinity National Forest. It doesn't name South Fork, so check the source for the area it covers (2 listed).

As of · Source: USFS · Shasta-Trinity National Forest. Agencies don't list every closure — check before you go.

Best time to visit South Fork

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

    44° / 29°

    12 wet

  2. Feb

    47° / 29°

    12 wet

  3. Mar

    53° / 32°

    13 wet

  4. Apr

    59° / 35°

    11 wet

  5. May

    69° / 41°

    8 wet

  6. Jun

    76° / 47°

    4 wet

  7. Jul

    85° / 52°

    2 wet

  8. Aug

    85° / 50°

    2 wet

  9. Sep

    78° / 45°

    3 wet

  10. Oct

    65° / 37°

    6 wet

  11. Nov

    51° / 31°

    10 wet

  12. Dec

    42° / 28°

    13 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Mt Shasta, CA, 4.2 mi away at 3,535 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Closures we've recorded since August 2026

  • South Fork Suspension Bridge Closure

    Shasta-Trinity National Forest · Order dated December 24, 2025; seen Aug 23, 2026, no lift recorded · Forest Service

South Fork is a climbing area in the Mt. Shasta Ranger District of Shasta-Trinity National Forest in California, managed by the Forest Service. It sits within the national forest's ranger district, and the nearest town is Mt. Shasta, about 4 miles away. The most comfortable months for a visit are typically late spring and early fall. Typical averages from the Mt. Shasta weather station, about 4 miles away, show May highs near 69°F and September highs near 78°F, with only a few wet days in each. Summer runs warmer, with July and August highs around 85°F, while winter brings highs in the low 40s and rain on about 12 to 13 days a month. The Cube climbing area is just 0.1 mile away. The Lake Siskiyou Trail - Delta Segment and Texas Road, a mountain biking route, are both about 1.3 miles off. Castle Lake Campground is roughly 3.3 miles away.

Keep exploring — more climbs worth the drive