Our (river)

Course and characteristics

From its upland origins the river runs in a generally eastward and northeastward direction, cutting a steep, narrow valley through sandstone and slate that marks the transition between the Ardennes and the Eifel. In several places the channel and its floodplain form or follow sections of the international frontier: first between Belgium and Luxembourg, then between Luxembourg and Germany. The Our joins the Sauer on the Luxembourg–Germany side of the border; the Sauer is itself part of the larger Rhine watershed basin.

Human use and engineering

The Our valley supports small towns and villages and has been used for settlement, transport links, and water management for centuries. Modern interventions include river regulation and reservoirs that serve flood control, water supply and hydroelectric generation. The river and its reservoirs are referenced in discussions of national infrastructure and cross-border energy projects in Luxembourg and Germany. Local roads follow the valley and bridges connect communities across the border.

Ecology, recreation and protection

The Our valley is valued for its wooded slopes, meadows and riparian habitats which support diverse birdlife, small mammals and riverine plants. Parts of the watershed are protected or managed for conservation and low-intensity agriculture. The valley is popular for hiking, cycling, angling and canoeing, and the combination of natural scenery and historic villages makes it a regional outdoor destination.

Settlements and cultural notes

Historic settlements line the riverbanks; some communities are notable for medieval buildings, local traditions and borderland culture. Towns on or near the Our are frequently mentioned in guides to the region and in studies of cross-border cooperation between Belgium, Luxembourg and Germany. The river is sometimes highlighted in accounts of the Sauer (Sauer) tributaries and in descriptions of left-bank tributary systems (left-hand tributary).

Further reading

• Regional river and watershed surveys and maps (see resources linked to local authorities and protected-area organisations).
• Guides to outdoor recreation in the Our valley and conservation plans for the Rhine drainage area.
• Cross-border initiatives for water quality and habitat restoration in the Euregio/three-country region (coordinate reference).