Lake Vyrnwy
Lake Wales reservoir with 19th-century masonry dam
A 19th-century reservoir in Wales, Vyrnwy is known for its Victorian stone dam, reservoir circuit walks, cycling routes and birdwatching at adjacent conservation areas.
_-_Aerial_Image_of_Llyn_Efyrnwy_(lake_Vyrnwy)_in_Novemebr_2022_08.jpg?width=1200)
How to Get to Lake Vyrnwy #
From Welshpool and the A483, follow local roads toward Llanwddyn and the B4395 access road to the reservoir. The site is best accessed by car; there are some local walk‑in paths and limited public transport to nearby villages. National Trust and local tourist information in Powys provide details on guided walks and visitor facilities.
Tips for Visiting Lake Vyrnwy #
- Drive the B4395 and approach via the village of Llanwddyn to see the drowned valley viewpoint and memorials to the lost village.
- Climb to the dam head in the morning for photographic light across the castellated turrets - the dam was built with ornate stonework that rewards a close look.
- Combine a visit with walks in the nearby Tanat and Vyrnwy valley trails to appreciate both engineered and natural landscapes.
Best Time to Visit Lake Vyrnwy #
Late spring through early autumn is the most pleasant time to visit for walking and photography; the site is accessible year‑round but can be wet and muddy in winter.
Weather & Climate near Lake Vyrnwy #
Lake Vyrnwy's climate is classified as Oceanic - Oceanic climate with cool summers (peaking in July) and cold winters (coldest in February). Temperatures range from 0°C to 18°C. Abundant rainfall (1523 mm/year), wettest in November.
January
January is cold with highs of 5°C and lows of 0°C. Significant rainfall (164 mm) and mostly overcast skies.
Comfort
Weather
February
February is the coolest month with highs of 5°C and lows of 0°C. Significant rainfall (120 mm) and mostly overcast skies.
Comfort
Weather
March
March is cold with highs of 7°C and lows of 1°C. Significant rainfall (136 mm) and mostly overcast skies.
Comfort
Weather
April
April is cold with highs of 9°C and lows of 2°C. Regular rainfall (95 mm) and mostly overcast skies.
Comfort
Weather
May
May is cold with highs of 13°C and lows of 4°C. Regular rainfall (85 mm) and mostly overcast skies.
Comfort
Weather
June
June is cool with highs of 16°C and lows of 7°C. Regular rainfall (96 mm) and mostly overcast skies.
Comfort
Weather
July
July is cool with highs of 18°C and lows of 9°C. Regular rainfall (91 mm) and mostly overcast skies.
Comfort
Weather
August
August is cool with highs of 17°C and lows of 9°C. Significant rainfall (113 mm) and mostly overcast skies.
Comfort
Weather
September
September is cool with highs of 14°C and lows of 7°C. Significant rainfall (127 mm) and mostly overcast skies.
Comfort
Weather
October
October is cold with highs of 11°C and lows of 5°C. Significant rainfall (149 mm) and mostly overcast skies.
Comfort
Weather
November
November is cold with highs of 8°C and lows of 2°C. The wettest month with heavy rain (174 mm) and mostly overcast skies.
Comfort
Weather
December
December is cold with highs of 6°C and lows of 1°C. Significant rainfall (173 mm) and mostly overcast skies.
