Firefighters across Wales are launching "Project Wildfire" to help tackle deliberate grass and mountain fires.
Firefighters were called to a street in Swansea yesterday after a grass fire spread across two properties.
There was a rise in grass fires this weekend as temperatures increased across Wales.
North Wales Fire and Rescue Service are warning people to take extra care when in the countryside after a large gorse fire was found to be caused accidentally by campers.
Around 35 firefighters spent almost 12 hours tackling the 70 acre fire in the Cae Dafydd area of Nantmor in Gwynedd.
– Gwyn Roberts, North Wales Fire and Rescue Service
Every year, outdoor fires destroy acres of countryside and wildlife habitats, and tie up valuable resources which could be saving lives elsewhere. Vegitation is extremely dry at the moment and outdoor fires can spread quickly. Campers and walkers should avoid the use of naked flames and camp in designated areas.
Firefighters are dealing with a gorse fire near Caernarfon. North Wales Fire and Rescue were called to the blaze at 2pm on Saturday afternoon. Four fire engines and an off-road vehicle are dealing with the fire, which covers around a quarter of a square mile.
North Wales Fire and Rescue Service have been dealing with two large grass fires overnight. Crews spent much of the night tackling a blaze near Llangollen, Denbighshire, that spread across one hectare of land. It was brought under control at around five o'clock this morning.
Four pumps and three off road vehicles were used during the peak of the fire. Fire-fighters will return later this morning to reinspect the area.
In Llanuwchllyn near Bala, Gwynedd, a fire swept across 40 hectares last night. Three fire engines and an off road vehicle spent more than five hours dealing with the gorse fire.
South Wales Fire and Rescue say there were also a number of grass fires around Merthyr and Blaenavon.
North Wales Fire and Rescue are tackling three separate mountain fires on the edge of Snowdonia. Appliances from Llanberis, Bangor and Menai Bridge are trying to bring the fire at Moel y Ci, near Bethesda under control.
Fire engines from Caernarfon and Porthmadog have also been dealing with a gorse fire at Ceunant, near Caernarfon. An area of around 100 square metres of gorse and bracken has also caught fire at Rachub in Gwynedd. North Wales fire service had already dealt with 52 similar fires since last Thursday.
Welsh fire services say they have been called out to hundreds of grass fires since the beginning of the recent dry spell. They are warning people to take extra care as the weather is forecast to remain dry.
- South Wales Fire and Rescue - 102 fires since Sunday
- Mid and West Wales Fire and Rescue - 340 calls to fires since Saturday
- North Wales Fire and Rescue - 52 fires since Thursday
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30 firefighters were called to a property in Ystalyfera, near Swansea, at 1710 hrs yesterday evening after a grass fire spread to two properties.
The fire in Woodmans Terrace is said to have severely damaged a single storey property as well as a detached two storey building. No one was injured.
30 firefighters were called to a property in Woodmans Terrace, Ystalyfera near Swansea after a grass fire spread to a house and garage.
Mid and West Wales fire service feared there were gas canisters stored in the garage and the electricity board was called to cut off the power supply to the street.