El Rosario is a municipality in the northeastern part of the island of Tenerife in the Santa Cruz de Tenerife province, on the Canary Islands, Spain. The seat of the municipality is the town La Esperanza, in the mountainous interior of the island. The municipality includes the coastal town Radazul.

The population is 15,542 (2013), its area is 39.43 km.

The seat of the municipality, La Esperanza, sits at an elevation of 900 meters above sea level, La Esperanza’s historic architecture—whitewashed houses with wooden balconies—speaks of a simpler time when life revolved around agriculture and community.

• El Rosario spans from the fertile plains of La Esperanza to the sun-kissed shores of Tabaiba and Radazul. This ecological diversity is a testament to the island’s geological past and its ever-evolving present.
• The wetlands near La Esperanza harbor endemic flora and fauna, while the coastal areas boast palm trees, cacti, and breathtaking ocean views.

• Radazul, the coastal town within El Rosario, beckons with its azure waters and rocky cliffs. Residents and visitors alike find solace in its beaches, where the Atlantic waves meet the volcanic shoreline.
• The TF-1 motorway, cutting through the southern part of the municipality, connects Radazul to the rest of Tenerife, making it accessible yet retaining its tranquil charm.

• El Rosario’s cultural heritage thrives through local festivals, traditional music, and culinary delights. The annual Fiestas de Mayo celebrate the town’s patron saint, San Isidro Labrador, with processions, dances, and heartfelt devotion.

Year	Population
1991	8,103
1996	10,880
2001	13,462
2002	13,718
2003	14,862
2004	15,542
2005	16,024
2013	17,465

This section needs expansion. You can help by adding to it. (February 2016)

The Deutsche Schule Santa Cruz de Tenerife, a German international school, is located in the Tabaita Alta section of El Rosario.

• List of municipalities in Santa Cruz de Tenerife