Twin Brooks Tenting Area
Campground
Campground · 6.2 mi from the trail
Vermont · Rock climbing · Bolton · Near South Burlington
Alien Boulder
- 7 routes
- V2 – V10
- Bouldering
- Aug–Sep
- best months
Alien Boulder is a climbing area in Vermont, about 1.3 miles from the town of West Bolton. It sits among a cluster of other climbing spots and trails, so it works well as a stop in a day of exploring the surrounding area. Summer is the most comfortable time to visit. Typical averages from a nearby weather station show July highs around 77°F with lows near 58°F, while winter highs stay in the 20s. Several climbing areas and a hiking route lie within a short distance. C - Upper Tier - Right End, UUWB Shoulder and Wild West Wall are each about 0.2 miles away, and the Old VAST Trail is about 0.2 miles off. For a change of pace, the Winooski River offers fishing about 4 miles away.
Around this trail
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If it rainsThe original uploader was Redjar at English Wikipedia ., CC BY-SA 3.0 · Wikimedia CommonsOld Round Church
Museum
On your way back · 5 mi
Places © OpenStreetMap contributors · Photos: The original uploader was Redjar at English Wikipedia ., CC BY-SA 3.0 (commons)
More in South BurlingtonBest time to go · Aug–Sep
Best time to visit Alien Boulder
Best months: August–September. 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
26° / 8°
17 wet
Feb
29° / 10°
14 wet
Mar
38° / 19°
15 wet
Apr
51° / 32°
14 wet
May
65° / 44°
15 wet
Jun
72° / 53°
15 wet
Jul
77° / 58°
15 wet
Aug
75° / 56°
12 wet
Sep
68° / 48°
11 wet
Oct
54° / 38°
15 wet
Nov
42° / 28°
16 wet
Dec
31° / 17°
19 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Worcester 2 W, VT, 16 mi away at 1,360 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Keep exploring — more climbs worth the drive
CLIMB
C - Upper Tier - Right End
Next door
7-route climbing crag in Vermont with sport and trad options.
CLIMB
UUWB Shoulder
Next door
UUWB Shoulder in Vermont has 5 trad routes with 2 distinct difficulty grades.
CLIMB
Main Face
Next door
Main Face in Vermont has 5 climbing routes across 5 grades.
CLIMB
Wild West Wall
Next door
Wild West Wall in Vermont has 8 routes ranging from easy to hard, offering sport and trad climbing.
CLIMB
Upper Upper West
Next door
Upper Upper West in Vermont has 10 climbing routes across 8 grades.
CLIMB
Umbilicaria Mammulata Boulder
Next door
Umbilicaria Mammulata Boulder in Vermont has 6 bouldering routes on 4 difficulty grades.
CLIMB
Northern Block
Next door
Northern Block is a bouldering crag in Vermont with 6 routes.
CLIMB
Boulders North
Next door
Boulders North is a bouldering crag in Vermont with 2 routes.
CLIMB
G - Alias Wall
Next door
G - Alias Wall in Vermont has 8 climbing routes across 6 grades.
CLIMB
F - North End
Next door
5 routes at F - North End in Vermont range from moderate to hard on 4 difficulty grades.
