Twristiaeth =
Subtitle: Tourism.
Series: Adolygiad cyntaf cynllun y Parc Cenedlaethol = -- National Park plan review -- 4; Adolygiad cyntaf cynllun y Parc Cenedlaethol -- 4.
Publisher: Parc Cenedlaethol Eryri = Snowdonia National Park
Published: 1986
Place of publication: Penrhyndeudraeth
Language: wel
Number of pages: 60
Other titles: Tourism.
Notes: Welsh and English text.