Routes up
Garreg Las routes: 4 ways to the top
Main Ridge RouteHiking · 12km · from Llyn y Fan FachModerate
This route follows the main ridge of Garreg Las, offering expansive views over the surrounding landscape.
Eastern ApproachHiking · 10km · from BrynammanModerate
The Eastern Approach is a straightforward hike starting from Brynamman, ascending gradually to the summit.
Western ScrambleScrambling · 8km · from LlanddeusantGrade 1 Scramble
This route involves a Grade 1 scramble up the western face, providing a more challenging ascent.
Southern Ridge TraverseHiking · 15km · from LlangadogChallenging
The Southern Ridge Traverse is a long and challenging hike, traversing the southern ridges of Garreg Las.
Summit today
Is it safe to climb Garreg Las today?
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Cloud inversion · 7 days
The chance of standing above a sea of cloud on Garreg Las each morning this week, from overnight temperature, humidity and low cloud below the 635m summit.
Dark sky · 7 days
How dark the sky gets over Garreg Las each night this week, from cloud cover, moonlight and local light pollution.
Snow · 7 days
No snow is forecast at the summit in the next 7 days.
Sun today
Sunrise 07:02, sunset 16:55
9h 53m of daylight. Golden hour ends 07:51 and starts 16:05. From the summit you see the sun 06:57 to 16:59.
Nearby summits
Close to Garreg Las
About Garreg Las
Garreg Las is 635 m (2,083 ft) high with 94 m of prominence. It is in Llandovery to Monmouth, Wales. OS grid reference SN777203. It is the 5th highest of the 39 summits Peakify lists in Llandovery to Monmouth. The nearest summits are Carreg Yr Ogof (1.1 km), Waun Lefrith (2.4 km) and Carn Fadog (3.3 km).
How high is Garreg Las?
Garreg Las is 635 metres high with 94 metres of prominence.
Where is Garreg Las?
Garreg Las is listed in Llandovery to Monmouth, Wales.
Are there routes for Garreg Las?
Peakify lists 4 routes for Garreg Las, including available distance, ascent, start point, and difficulty details. The easiest is Main Ridge Route (12km, Moderate).
Is it safe to climb Garreg Las today?
Peakify rates each day on the summit Good, Marginal or Poor from the forecast summit wind, gusts, chance of rain and wind chill. Wind of 40 mph or gusts of 65 mph make it Poor; wind of 25 mph, gusts of 45 mph, a 60% chance of rain or a feels-like temperature of -8°C or below make it Marginal. Today's and tomorrow's ratings are at the top of this page. The rating covers the weather only: also check your route, daylight, kit and experience, and in winter whether you need an ice axe and crampons.
What weather information is shown for Garreg Las?
The page includes cached mountain forecast context, snow outlook, dark-sky signals, cloud-inversion information, sunrise, sunset, and summit planning details where available.
Peakify is run by Sam Tyler, who has climbed Yr Wyddfa 22 times. The forecast refreshes every hour; how our forecast works.