La Serena is Chile's second-oldest city, founded in 1544, sitting at the southern edge of the Atacama region where the desert starts to give way to scrubby hills and irrigated valleys. It is a beach town by Chilean standards — a long crescent of sand, a lighthouse modeled on one in Santander, and a string of high-rise condominiums along the Avenida del Mar. More importantly, it is the gateway to the Elqui Valley and some of the best stargazing in Chile.

The City

The historic center has a cluster of stone churches — more per square block than any other Chilean city, a legacy of its colonial importance. The Iglesia San Francisco (1627) is the oldest. The Museo Arqueologico has an unexpectedly good collection of Diaguita ceramics and pre-Columbian artifacts from the region.

The Japanese Garden (Parque Japones Kokoro No Niwa) is a peaceful retreat in the center — cherry blossoms in spring, koi ponds, and a tea house. It was built as a gift from La Serena's Japanese sister city.

Beaches

The Avenida del Mar runs along six kilometers of beach south of the city center. The water is cold (Humboldt Current) but swimmable in summer. El Faro beach near the lighthouse is the most central. Further south, Playa Cuatro Esquinas and La Marina are quieter. Coquimbo, the neighboring port city, has its own beaches and a more working-class character.

Humboldt Penguin Reserve

Three islands — Choros, Damas, and Chanaral — about 120 kilometers north of La Serena, home to Humboldt penguins, sea lions, and bottlenose dolphins. Boat tours leave from Punta de Choros and circle the islands. You can land on Isla Damas and walk a trail through the penguin nesting area. Go early — boats depart at 9am and tours sell out in summer.

Observatories

The clear skies around La Serena have attracted both professional and tourist observatories:

  • Mamalluca: The most popular tourist observatory, about 10 kilometers from the Elqui Valley town of Vicuna. Evening programs with guided telescope viewing. Book ahead.
  • Cerro Tololo: Professional observatory with public visits on Saturdays. Free but requires advance registration.
  • La Silla (ESO): European Southern Observatory facility east of La Serena. Free Saturday tours — stunning drive through the desert to get there.
  • Pangue: Small private observatory with powerful telescopes and knowledgeable guides. More intimate than Mamalluca.

Practical Information

Getting there: Fly from Santiago to La Florida Airport (LSC) — about 1 hour. Buses from Santiago take 6-7 hours on the Pan-American Highway.

Climate: Semi-arid. Warm and dry in summer (December-February, 20-25°C), mild in winter. Coastal fog (camanchaca) rolls in during mornings, especially in spring.

As a base: La Serena works as a base for day trips to the Elqui Valley (1 hour), Humboldt Penguin Reserve (2 hours), and the observatories. The city itself needs only a day or two.