Béchar is the largest city in southwestern Algeria, a Saharan administrative centre that serves as the gateway to the oases and sand seas of the western desert. The city itself is functional rather than beautiful — a sprawl of concrete and wide boulevards built around an old French colonial core — but it is the natural base for visiting Taghit, one of Algeria's most spectacular oasis towns, about 90 kilometres to the south.
The town has a decent souk, a few colonial-era buildings, and the Béchar Museum, which holds archaeological finds from the surrounding region. The real reason to stop here is logistics — Béchar has the nearest airport (with flights to Algiers and Oran), hotels, and fuel for anyone exploring the western Saharan oases.
The railway from Oran to Béchar is one of Algeria's most scenic train journeys, crossing the High Plateaux and descending into the desert over several hours. The road south continues to Tindouf and, eventually, the Mauritanian border.