Concatedral de San Nicolás de Bari, Alicante

It’s a co-cathedral, not the cathedral. The Diocese of Orihuela-Alicante moves the bishop’s seat between San Nicolás here and the cathedral of Orihuela on alternating years. That bureaucratic arrangement aside, San Nicolás functions as Alicante’s cathedral in every practical sense: it’s where the big ecclesiastical events happen, where the city’s ofrenda de flores during Hogueras culminates, and where visitors come expecting a Gothic pile and instead find something quieter and harder to read.

What’s actually here

The exterior is deceptive — a plain Renaissance-into-Baroque facade with a 45-metre dome, not visually stunning from the plaza. Inside is where the building opens up. Three things specifically warrant your time:

The Cloister (entrance from the nave, left side). Early 18th-century, Herrerian in style, austere stone columns around a square garden. Quiet at almost any hour. The Diocese occasionally uses it for summer concerts — worth checking the events page if you’re a classical music person.

The Capilla de la Comunión (right side of the nave). 18th-century Baroque, richly gilded, a jarring contrast with the restrained main body of the church. Intended as a deliberate emotional shift for communicants. Works as intended.

The Sagrarium (behind the altar). Small space, usually locked, opened on request to the duty priest. Contains a notable silver custodia dating from 1736. If you’re Catholic and ask politely, they’ll open it; if you’re a curious non-believer and the priest has time, same.

Why it’s called San Nicolás

St. Nicholas of Bari — the 4th-century bishop whose iconography eventually drifted into Santa Claus — was adopted as patron of Alicante after the city’s reconquest from the Moors on 4 December 1248 (his feast day). The church’s founding mass was celebrated on that date, and every 4 December since has been a municipal holiday. If you’re in town on that date, the Procesión de San Nicolás through the old town is small, local, nothing like Hogueras in scale, and exactly the kind of thing Alicante does well when no tourists are around.

The building’s history in one paragraph

A Moorish mosque originally stood on this site. After 1248 it was converted into a parish church dedicated to St. Nicholas. That first building was demolished in the 16th century and replaced with the current structure, begun in 1613 under the architect Agustín Bernardino and substantially complete by 1662. The dome is by Herrera the Younger; the Baroque chapel was added in the 18th century. The building was damaged in the Spanish Civil War (1936) — the main altarpiece was destroyed and the interior gutted by fire. The current altar is a 1950s reconstruction.

When to visit

Quietest: weekdays between 09:00 and 11:00 — minimal tourists, no services running, sunlight slanting through the high windows.

Loudest and worth it: Sunday high mass (10:30 or 12:00) with the pipe organ. Even non-religious visitors are welcome; sit in the back and treat it as the free organ concert it partly is.

Avoid: weddings. Saturday afternoons frequently close sections of the church; check the noticeboard by the door.

Practical logistics

• Entry is free but the guided tour (4 €, most weekdays at 11:00 and 17:00) is the only way to see the cloister properly. Book at the door or via the website; half-hour tour, bilingual Spanish/English depending on the guide.
• Dress code — this is an active church. No bare shoulders, shorts, or beachwear. You’ll be turned away at the door; half the tourists who walk up have learned this the hard way.
• Photos without flash are allowed; tripods aren’t.

Combine with

• Plaça del Ajuntament (2 min walk) — the 18th-century town hall and old-town heart
• Barrio de Santa Cruz (5 min walk uphill) — the painted streets
• Castillo de Santa Bárbara (15 min walk + lift) — the fortress above the city

The honest note

San Nicolás is not Seville cathedral. It’s not even Orihuela cathedral. It’s a solid, quiet, structurally interesting 17th-century provincial co-cathedral with a Baroque chapel, a pretty cloister, and the rhythm of a working parish. If you’re in the old town and have 45 minutes, it’s the best-scaled stop on the route. If you’ve come to Alicante to see a cathedral specifically, you’ll leave satisfied but not awestruck — and you’ll have learned something about the difference between a tourist attraction and a functioning religious building that happens to be 400 years old.