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Plas Tan y Bwlch: Historic Snowdonia Study Centre and Gardens

Historic 18th-century manor and environmental study centre nestled in scenic Snowdonia with Grade II* gardens and pioneering hydro-electric heritage.

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Plas Tan y Bwlch is an 18th-century manor house nestled in Snowdonia National Park, North Wales. Serving as the Environmental Studies Centre for the National Park Authority, it offers extensive conference facilities, educational courses, and access to 80 acres of Grade II* listed gardens. The site features historic architecture, hydro-electric heritage, and scenic views over the River Dwyryd valley near Maentwrog.

A brief summary to Plas Tan y Bwlch

  • Blaenau Ffestiniog, Plas Tan y Bwlch, Maentwrog, LL41 3YU, GB
  • +441766772600
  • Visit website
  • Duration: 1 to 4 hours
  • Mid ranged
  • Environment icon Outdoor
  • Mobile reception: 4 out of 5

Local tips

  • Explore the extensive Grade II* listed gardens, including the sensory garden accessible via platform lift.
  • Attend one of the environmental courses or workshops offered to deepen your understanding of Snowdonia’s natural heritage.
  • Enjoy refreshments and meals provided by the in-house catering team, accommodating various dietary needs.
  • Take time to appreciate the manor’s historic architecture and its pioneering hydro-electric power system heritage.
  • Book accommodation in advance if you wish to stay overnight, as rooms are basic but comfortable and popular with visitors.
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Getting There

  • Car

    Driving to Plas Tan y Bwlch takes approximately 20-30 minutes from Porthmadog via the A487. Free parking is available on site, but roads can be narrow and winding. Suitable for most vehicles, but cautious driving is advised in winter or wet conditions.

  • Train and Bus

    From Blaenau Ffestiniog railway station, about 6 km away, take a local bus or taxi to Plas Tan y Bwlch. Bus services run several times daily but check schedules in advance as frequency varies. The journey by bus or taxi takes around 15-20 minutes.

  • Walking

    For experienced walkers, a scenic hike from Maentwrog village to Plas Tan y Bwlch takes about 45-60 minutes over varied terrain including some steep sections. Suitable for those with good fitness and proper footwear.

Plas Tan y Bwlch location weather suitability

  • Weather icon Any Weather
  • Weather icon Rain / Wet Weather
  • Weather icon Clear Skies
  • Weather icon Mild Temperatures

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Discover more about Plas Tan y Bwlch

A Storied Manor in the Heart of Snowdonia

Plas Tan y Bwlch is a distinguished 18th-century manor house located in the picturesque Snowdonia National Park, near the village of Maentwrog. Originally built on the site of an early 17th-century house, it was extensively developed by the Oakeley family in the 19th century, with notable additions designed by architect John Douglas in 1872. The estate was historically connected to the local slate quarrying industry and the Oakeley family’s extensive railway lines. The manor is renowned as one of the first houses in North Wales to have electric lighting powered by its own hydro-electric station, commissioned in the 1890s. This pioneering system utilized water from nearby Llyn Mair to generate electricity via a Pelton wheel, a heritage that continues with a modern hydro-scheme installed in 2013 to supply much of the centre’s power.

Environmental Study Centre and Educational Hub

Today, Plas Tan y Bwlch functions as the Environmental Studies Centre for the Snowdonia National Park Authority. It provides a wide range of courses and workshops focused on the natural environment, cultural heritage, and conservation of the region. The centre is equipped with modern conference and meeting facilities, including data projection, video equipment, and internet access, supporting educational visits, corporate events, and community activities. The centre’s in-house catering team offers meals and refreshments tailored to various dietary needs and budgets. Accommodation is available in 27 en-suite bedrooms and additional standard rooms, providing a comfortable base for visitors and course participants.

Gardens of Historic and Natural Significance

Surrounding the manor are approximately 80 acres of gardens and woodland, designated Grade II* on the Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales. The grounds include a sensory garden accessible via a platform lift, woodland walks, and areas for outdoor activities. The gardens blend historic landscaping with the natural beauty of the Snowdonia landscape, offering tranquil spots for reflection and exploration. Visitors can enjoy panoramic views over the valley of the River Dwyryd and the surrounding hills, making it a scenic highlight within the National Park.

Architectural and Cultural Heritage

The manor’s architecture reflects its evolution over centuries, combining 18th and 19th-century design elements with Victorian-era enhancements. Its connection to the Oakeley family and the slate industry underscores its cultural importance in the region. The nearby Oakeley Arms Hotel, once part of the estate, adds to the historical narrative of the area. Plas Tan y Bwlch’s role as a centre for environmental education ties its heritage to ongoing efforts to preserve and celebrate Snowdonia’s unique landscape and biodiversity.

Visitor Experience and Amenities

Visitors to Plas Tan y Bwlch can explore the gardens, attend courses, or participate in events hosted at the centre. The site offers disabled access facilities including lifts and adapted toilets, free parking, and wireless internet throughout the main building. On-site amenities include a café, gift shop, and comfortable lounges with tea and coffee facilities. The centre’s location provides a peaceful retreat with easy access to nearby attractions in Snowdonia, making it suitable for day visits or longer stays.

Legacy and Modern Sustainability

Plas Tan y Bwlch exemplifies the blend of historical legacy and modern sustainability. Its pioneering hydro-electric power heritage is honored through the recent installation of a new hydro-scheme that harnesses water from Llyn Mair, reducing environmental impact and supporting the centre’s energy needs. As part of the Snowdonia National Park, the site contributes to conservation education and sustainable tourism, preserving the natural and cultural heritage of the region for future generations.

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