21 – Pontault-Combault (Centre, Z.A. Croix Saint Claude), Roissy-en-Brie (Morbras, Centre) 17a N 4 – Champigny, Pontault-Combault (Le Pavé), Chennevières...

in a zone of Seismicity 1, corresponding to a very weak seismicity. The Morbras River, a Tributary of the Marne, has its source in the town. The inhabitants...

No. 1 on the village of Pontcarré (2.2 km length) which merge with the Morbras. It passes on Croissy-Beaubourg on a distance of 0.02 km. There are several...