What effect does the topography of the northern Rhone have on vineyard placement?

The topography of the northern Rhône is characterized by steep hillsides and slopes, which play a crucial role in determining vineyard placement. Planting vineyards on these steep slopes enables optimal sun exposure, which is vital for the ripening of grapes. The angles of the slopes ensure that vines receive direct sunlight for a more extended part of the day, particularly important in this relatively cooler climate region, contributing to the development of sugars and flavors in the grapes.

Additionally, these slopes facilitate good drainage, reducing the risk of waterlogging, which can be detrimental to the vines' health. The altitude of the slopes can also provide a range of microclimates, which further allows for the production of wine with varying characteristics and complexities. This practice of utilizing steep terraces is not only practical but is also a traditional part of the viticulture in regions such as Côte-Rôtie and Hermitage, where the technique has been refined over generations to yield high-quality wines.