Sierra de Alamos-Rio Cuchujaqui Biosphere Reserve

A Biosphere Reserve (2007) At The Northern Limit Of Tropical Dry Forest In North America, Where Thorn Forest, Oaks And Rare Birds Meet In The Foothills Of The Sierra Madre, With Jaguars And Military Macaws. Bird Watching Is The Draw, With Local Guides Based In Alamos. Hot In Summer, Green After The Rains · Alamos, Sonora

The Sierra de Alamos-Rio Cuchujaqui Biosphere Reserve protects tropical dry forest at the northern limit of its range in North America, in the foothills of the Sierra Madre east of Alamos in southern Sonora. Thorn forest, oaks and tall river trees shelter military macaws, trogons and other birds found few places else this far north, and jaguars live in the reserve though almost no visitor sees one. Most visitors come for bird watching and short hikes with local guides based in Alamos, along dirt roads and river valleys. It suits birders, naturalists and patient hikers who enjoy a quiet landscape. The forest is green after the rains from July to September and turns dry and brown by spring, with April to June very hot. It is worth the detour if birds or wild country matter to you and you can book a guide; it is not worth it for a casual drive, because there is little built infrastructure and the roads are rough. Check current Sonora travel advice before you go and keep plans simple and in daylight.

Sierra de Alamos-Rio Cuchujaqui, a tropical dry forest reserve east of Alamos in southern Sonora, reached by dirt roads and local guides; coordinates approximate, Alamos, Sonora, Mexico

The reserve has no staffed gate that sets daily hours; access is by dirt roads and with local guides arranged from Alamos town, usually for a morning or full day starting early to catch bird activity. Walking in the forest on public tracks is FREE, but guides and transport are paid. Guides and ranger contacts may be CLOSED or unavailable on some weekdays and in the low season, and heavy rain can cut off roads and river crossings. Times shift with season and heat, so confirm by phone or message in Alamos a few days ahead.

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