Arch Support
- 5.8
- grade
- Trad Gear
- style
- Mar–Jun, Aug–Oct
- best months
Located in the Waylayed Buttress sector of Upper Cliff, this route sits in the middle of the grade range catalogued at the crag, which spans from 5.5 to 5.10a across six climbs. First ascent credit: Thurmond?
- Nearby · EM: Johnson Shut-Ins · A: Picnic Area · B: Upper Picnic Area
Best time to go · Mar–Jun, Aug–Oct
Best time to visit Arch Support
Best months: March–June and August–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.
Jan
40° / 21°
8 wet
Feb
45° / 25°
8 wet
Mar
55° / 33°
10 wet
Apr
66° / 44°
11 wet
May
74° / 54°
12 wet
Jun
82° / 63°
10 wet
Jul
86° / 67°
9 wet
Aug
85° / 65°
8 wet
Sep
78° / 57°
7 wet
Oct
68° / 46°
9 wet
Nov
54° / 35°
8 wet
Dec
43° / 26°
8 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Potosi 4 Sw, MO, 24.6 mi away at 1,105 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Photo of the crag

Keep exploring — more climbs worth the drive
EM: Johnson Shut-Ins
Next door
EM: Johnson Shut-Ins in Missouri has 6 routes spanning 6 difficulty grades.
A: Picnic Area
~19 min drive
A: Picnic Area is a Missouri climbing crag with 26 routes.
B: Upper Picnic Area
~19 min drive
B: Upper Picnic Area is a Missouri climbing crag with 16 routes across 7 grades.
C: The Front Range
~20 min drive
C: The Front Range is a 11-route climbing area in Missouri with bouldering pads.
G: North Mountain
~20 min drive
G: North Mountain is a Missouri climbing crag with 8 routes spanning 8 difficulty grades.
D: The Porch
~20 min drive
D: The Porch is a Missouri climbing area with 13 routes on 9 grades.
EM: Elephant Rocks SP
~20 min drive
EM: Elephant Rocks SP is a Missouri climbing area with 10 routes on 7 grades.
CLIMB
River Left
~36 min drive
7 traditional climbing routes at River Left in Missouri.
CLIMB
Hiker's Wall
~37 min drive
Hiker's Wall is a bouldering crag in Missouri with 5 routes.
CLIMB
Splitter Crack Wall
~37 min drive
Splitter Crack Wall in Missouri has 6 traditional climbing routes on crack and face holds.
