This site is NOT open to public.


Brief description of site

Bryntysilio has a well-preserved, small terraced garden and shrubberies, dating from the mid-19th century.

Brief history of site

The house once belonged to Sir Theodore Martin, the biographer of Prince Albert.

Location information:

Address: Bryntysilio Outdoor Education Centre, Llangollen, Denbighshire, LL20 8BS

Locality: Llantysilio

Local Authorities:

Denbighshire; Llantysilio

Historical County: Denbighshire

OS Landranger Map Sheet Number: 125 Grid Ref: SJ 196435
Latitude: 52.9828 Longitude: -3.19899

Key information:

Form of site: garden

Purpose of site: Recreational/sport

Context or principal building: education

Main period of development: Mid 19th century

Survival: Extant


Owner: Walsall Schools Holiday Camp Trust

Site designation(s)

CADW Register of Landscapes Parks and Gardens of Special Historic Interest in Wales Grade II Reference PGW(C) 20

Principal building:


Bryntysilio Hall is a stuccoed Italianate villa with verandahs. It was bought as a small cottage by the Martins in 1865 and by 1870 had been greatly enlarged.

Designation status: CADW Register of Listed Buildings in Wales Grade II Reference Bryntysilio Hall

External web site link:


Site timeline

1889: Queen Victoria takes tea at Bryntisilio with her friends the Martins, while she is visiting Llangollen.

1968: Walsall Education Authority purchases Bryntysilio and sets up an outdoor education centre there.

People associated with this site

Owner: Sir Theodore Martin (born 16/09/1816 died 18/08/1909)


Organisations associated with this site

Welsh Historic Gardens Trust

Cadw Role: Designating Authority

The Association of Heads of Outdoor Education Centres Role: Institution

Sources of information

Coflein website

Royal Commission on the Ancient and Historical Monuments of Wales, 'Bryntysilio Garden, Llangollen', <> [accessed 1 October 2007]

Register of Landscapes, Parks and Gardens of Special Historic Interest in Wales: Clwyd

Cadw and ICOMOS UK, 'Bryntysilio' in Register of Landscapes, Parks and Gardens of Special Historic Interest in Wales: Clwyd (Cardiff: Cadw, 1995), pp. 36-7


  • Bryntysilio


  • Bryntysilio, Llangollen

    Bryntysilio, Llangollen