Abbaye d'Aywiers

Aywiers Abbey was a former Cistercian convent set along the Lasne river, in Couture-Saint-Germain within the municipality of Lasne, in Walloon Brabant, Belgium. Little of the original monastic buildings remains standing today, yet the former abbey grounds, together with their landscaped park and surviving boundary wall, rank among the region's most evocative historical sites, with roots reaching back to the early 13th century.

How was the abbey founded?

The community that would become Aywiers originated as a Benedictine convent near Awirs, close to Liège. The nuns later relocated to the banks of the Lasne and, around 1215, adopted the Cistercian rule, formally establishing the new abbey. Among its founding figures was Saint Lutgarde of Tongeren, one of the most significant mystics of medieval Northern Europe, which gave the convent notable spiritual standing from its earliest decades.

Why did the abbey grow so prosperous?

Aywiers benefited from the favour of powerful families, including the lords of Brussels, whose donations helped the community accumulate extensive holdings over time — more than 2,000 hectares stretching along the Lasne valley. Its assets came to include farms, barns, sheepfolds, mills, and even coal mines. Spiritual guidance for the nuns was first entrusted to the Cistercians of Villers-en-Brabant, and from 1238 onward to the monks of Aulne Abbey.

What did the abbey endure over the centuries?

The convent's long history was far from uneventful. It went through cycles of decline and renewal, suffered damage from wars and natural disasters, and its buildings were rebuilt no fewer than three times. Despite these setbacks, the community survived until the French Revolution, when the abbey was formally suppressed in 1796 and its properties sold off. Parts of the remaining structures were later demolished in the 19th century.

What remains to see today?

The former abbatial residence was eventually converted into a château, set within a nine-hectare landscaped park. Within its grounds, a stretch of the original monastic boundary wall still survives — one of the few tangible traces left of the medieval abbey. The park is opened to visitors on select occasions, notably during the Aywiers plant and garden festival, when history and gardening enthusiasts alike are welcomed through its gates.

Why is it worth a visit?

Aywiers appeals to travellers seeking quiet history away from crowded tourist routes. The picturesque Lasne valley, its green surroundings, and the centuries-old imprint of the Cistercian nuns create an atmospheric landscape, long valued by local residents of Walloon Brabant as a place for walks and reflection on the region's past.

Frequently asked questions

Is Aywiers Abbey still an active convent? No — the religious community was dissolved in 1796 during the French Revolution, and the site was later transformed into a private residence surrounded by parkland.

Who founded the abbey? The founding community traced its origins to a Benedictine convent near Awirs, and Saint Lutgarde of Tongeren is counted among Aywiers' founding figures.

What survives from the original monastery? A section of the abbey's original boundary wall still stands, along with the landscaped park surrounding the château built on the former monastic grounds.

When can visitors see the grounds? The park is open to the public on select occasions, including during the plant and garden festival held on site.