Lamastre is a commune in the north of the Ardèche department, in the Doux valley, situated between Saint-Agrève and Tournon-sur-Rhône.

Lamastre: Maps, key figures
- Town within the Pays de Lamastre Community of Communes
- Population: 2,361 (2015 figure); inhabitants of Lamastro (demonym)
- 25.45 km², giving a population density of 93 inhabitants per km²
- Altitude from 342 to 860 metres
- Postcode: 07270 / INSEE code: 07129
Weather

Practical services
- Town Hall website
- Hotels and accommodation nearby: Selection, online booking
- Access by public transport
- Tourist Information Centre
Web+Ardèche
- Introduction to the village, Wikipedia
- INSEE statistics for the municipality
- Departmental weather forecast
- Hiking in the Ardèche and IGN maps
- Maps and key data for the 335 local authorities in the department
- Urban areas and communities of municipalities in Ardèche (EPCI)
