Access via the A6 and A77 motorway from Paris
On A6 take the junction of the A77 direction Nevers.
Take exit 21 "Beaulieu-Bonny" then follow Belleville Sury-près-Léré and Léré (D751) or take exit 22 "Cosne-Cours-sur-Loire" then follow Boulleret, Léré (D751)
You can also take the RN7 then the D751.