Lake Cottages at Cwm Chwefru
Llanafan Fawr, Builth Wells, Powys, LD2 3YG, Wales
The Lake Cottages at Cwm Chwefru offer a peaceful, family-friendly retreat in a secluded Mid Wales valley. Set within beautiful grounds beside a fishing lake and flowing river, the cottages provide a safe and scenic setting for families to relax and enjoy the unspoiled Welsh countryside.
With a heated swimming pool, sauna, indoor games room, tennis court and outdoor play area, there’s plenty on site to keep both children and adults entertained. Surrounded by rolling hills, forests and open countryside, the location is perfect for family adventures as well as quiet relaxation. Thanks to its rural setting and exceptionally low light pollution, the cottages are also a superb destination for stargazing.
On clear and moonless evenings, guests can view the Milky Way stretching across the sky, along with constellations and occasional meteor showers, all beneath wonderfully dark, expansive skies. The peaceful valley setting makes it easy to step outside and enjoy the stars in complete tranquillity, while still providing convenient access to Wales’ natural and historic attractions.
Accommodation options include a cosy studio for two (with space for a travel cot), one-bedroom cottages that can sleep up to four guests, and two-bedroom cottages accommodating up to six guests. In total, the site can host group bookings of up to 54 people, making it ideal for family gatherings and celebrations.
Stay & Gaze - this location benefits from dark skies, relatively low levels of light pollution, is astronomy friendly and suitable for stargazing breaks.
Weather forecast
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12/05/26
12° 5% -
12/05/26
12° 0% -
12/05/26
11° 1% -
13/05/26
8° 1%
Weather forecast for Rhayader (6.8 miles away) updated 11/05/26 at 12:01. Powered by Met Office data.
Local light pollution
Lake Cottages at Cwm Chwefru is estimated to have light pollution levels similar to a rural location based on the latest data from the VIIRS satellite. For more advanced light pollution data, view this location on DarkSkySites.
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Urban
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Suburban
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Semi-rural
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Rural
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Dark site
The above demonstrates the estimated effect of light pollution - graphics created using Stellarium.
Best time to visit
The below chart shows when the skies will be at their darkest at this location and therefore the best time to visit. Moonlight is shown in light yellow and the Sun's twilight in light blue. Midnight on the date shown is shown as a white line with sunset to the left and sunrise the next morning to the right. A black background with stars shows the best times for stargazing. See our dark sky calendar for more details.
Tue 12th May
Wed 13th May
Thu 14th May
Fri 15th May
Sat 16th May
Sun 17th May
Mon 18th May
Find more dates
If you are planning to visit this location check our dark sky calendar to find out when is best!
Calendar