The Dhofar Mountains consist of three subranges -- Jabal al-Qara, Jabal al-Qamar, and Jabal Samhan -- running roughly parallel to the coast of southern Oman. They extend from the Dhofar Governorate westward into Yemen's Hadhramaut, bridging the gap between the Al Hajar Mountains in northern Oman and the Sarawat range in western Yemen. Jabal Samhan, the easternmost subrange, reaches approximately 2,100 meters at its highest point. The mountains are not tall by global standards, but their position matters enormously. They intercept moisture-laden winds off the Indian Ocean, creating a microclimate that exists nowhere else on the Arabian Peninsula. Below the mountains, the Salalah coastal plain catches the runoff. Above them, the interior drops away into the vast emptiness of the Rub' al Khali, the Empty Quarter.

From June through September, the southwest monsoon sweeps across the Arabian Sea and collides with the Dhofar escarpment. Clouds pour over the ridgelines like slow-motion waterfalls, depositing moisture that turns the landscape electric green. Temperatures drop to the low twenties Celsius while the rest of Oman swelters above forty. Springs emerge from limestone, filling wadis that were dry for nine months. The transformation draws hundreds of thousands of visitors from across the Gulf, escaping the brutal summer heat of Riyadh, Dubai, and Muscat. Outside the khareef season, the same mountains are stark and brown, their rugged limestone faces exposed under cloudless skies. Camels pick through sparse scrub. The contrast between seasons is so dramatic that photographs taken six months apart look like different continents.

Jabal Samhan Nature Reserve covers 4,500 square kilometers of mountain terrain with no permanent human population, and it shelters the largest known wild population of the critically endangered Arabian leopard. That population numbers roughly twenty individuals. A conservation worker who monitored the reserve for twelve years caught sight of just three leopards during that entire period -- a measure of both their rarity and their skill at avoiding detection. These mountains also support Oman's largest population of Nubian ibex, the leopard's primary prey. The Asiatic cheetah once roamed here too, but Oman's last known cheetah was killed near Jibjat in 1977. What survives is fragile. The leopard's persistence in these mountains, against the pressures of habitat loss and prey depletion across the rest of the Arabian Peninsula, makes Jabal Samhan one of the most important wildlife refuges in the Middle East.

The Dhofar Mountains have drawn more than wildlife and monsoon clouds. High on Jabal al-Qara, a mosque marks what local tradition identifies as the tomb of the prophet Ayyub -- Job, in the Judeo-Christian tradition. Pilgrims have climbed to the site for centuries. The mountains also sheltered the frankincense groves that made Dhofar wealthy in antiquity. Boswellia sacra thrives in the limestone soils of the foothills, where the khareef moisture is enough to sustain the trees but not so abundant as to rot them. The ancient Incense Road carried resin from these slopes to ports on the coast below, and from there across the known world. Today, the mountains remain central to Dhofar's identity. Herders drive cattle and camels along paths worn smooth by generations, and the khareef season functions as both agricultural cycle and cultural calendar, marking the rhythm of life in a place where the desert, improbably, turns green.