The Marais de Léchère-Merlan ZNIEFF area covers Janneyrias and extends over 19.4 hectares. It is a peaty alder and ash woodland with a diverse specialised flora. The characteristic habitats include alluvial ash and alder forests on soils that are flooded during high water but drained during low water.
Rules on access and paths apply to the Marais de Montanet in order to preserve the biotope and the protected species found there.
Those wishing to travel to Janneyrias can plan to rent a holiday apartment.
Culture
The Mémorial de la bataille d’Anthon is located in the Bois des Franchises.
In the wider regional area around Janneyrias, the Artothèque de Saint-Priest is a museum. Also in the wider regional area are the Artothèque de Lyon Part-Dieu, a museum, and the Artothèque du Centre d'art de Saint-Fons, also a museum. The Abbaye Saint-Pierre is a historic site there.
Surroundings
The Mont d’Annoisin mountain is located near Janneyrias. The Mont d'Or mountain, the Mont Cindre hill and the Roche hill are also located in the wider regional area around Janneyrias.
Trails
The “Autour de Janneyrias” route is an easy 4.3-kilometre hike with 59 metres of positive elevation gain and an estimated duration of 1 hour and 25 minutes. It continues to the ruins of the Château de Malatrait and the Étang des Portions, where hikers can observe the landscape and wildlife.
The “Autour de Malatrait” circular trail passes by the former Chapelle Saint-Ours, which also serves as an aircraft noise measurement station.
History
The Malatrait fortifications once included a chapel and a dovecote; both were destroyed because they posed a danger to walkers.
Orientation
Transisère is a source of transport information for Janneyrias.