Córdoba is Andalusia's cheapest big-monument city: the Mezquita opens free every weekday morning, half the Judería's patios and churches charge nothing, and a full tapas dinner runs €10. Walk everywhere — the old town is 1.5 km across.
Monday–Saturday 08:30–09:30 entry is free with no ticket: you walk the full hypostyle forest of 856 jasper and marble columns and the double horseshoe arches. Photography allowed, no groups, no guided commentary during this slot. Queue from 08:10 at Puerta del Perdón.
The Mezquita's walled orange-tree courtyard is permanently free and open from 08:30 to sunset. Nineteen rows of orange trees are planted in line with the prayer-hall columns, irrigated by the original Moorish channel system. Shaded stone benches, public fountains for refilling bottles.
Twelve courtyards spanning five centuries, from the 15th-century Patio de los Gatos to the Renaissance Patio de la Madama. The patios-only ticket costs €8 versus €12 for patios plus house, and covers the entire garden circuit. Free entry Wednesdays 14:00–17:00 except August.
The residential street behind the Alcázar where families open their private flower-covered patios to visitors year-round for a €1–2 donation, not just during May's Patio Festival. San Basilio 44, 40 and 50 are the reliably open ones, roughly 11:00–14:00 and 18:00–20:00.
Andalusia's first gourmet market, in a restored 1877 iron-and-glass pavilion in the Jardines de la Victoria. Open 10:00–24:00 daily. Individual tapas plates run €2.50–4.50 — salmorejo, flamenquín slices, boquerones — and the communal tables cost nothing to sit at.
A silversmiths' guild tavern running since 1872, with a covered patio and zinc bar. Full-size raciones of rabo de toro and berenjenas con miel are €7–9, half-raciones €4, and a glass of Montilla-Moriles fino is €1.60. Locals eat standing at the bar, which is the cheapest tariff.
The food market under Plaza de la Corredera, Spain's only rectangular Castilian-style plaza in the south, built 1683–1687. Mornings 08:00–15:00: Iberian ham offcuts, olives sold by weight, local Pedro Ximénez raisins. A picnic for two assembles for about €7.
Start at Bodegas Campos' free-to-enter barrel courtyard signed by visiting writers, then work the Lineros–San Fernando strip where Taberna Salinas and Casa Pepe pour €1.80 fino with a free olive-and-bread tapa. Four bars, four drinks, four snacks: under €9.
The riverside path along the Guadalquivir's north bank past restored Moorish flour mills and the Albolafia waterwheel, through a protected wetland where herons and terrapins live. Free, open, unfenced, and gives the head-on view of the Roman Bridge and the Mezquita.
Eleven re-erected Corinthian columns of a 1st-century imperial temple, discovered in 1951 during the expansion of the town hall next door. Permanently visible from the street with no ticket, floodlit after dark, and the excavated podium and altar base are readable from the railing.
The Alcázar's terraced gardens with cypress avenues, fish pools and the statues of Columbus meeting the Catholic Monarchs. Entry to the monument is €5, free Tuesday–Friday 08:15–09:30 and all day Thursday from 18:00. The adjoining Puerta de Sevilla gardens are always free.
The ruined 10th-century caliphal palace-city 8 km west. Bus O-1 leaves Glorieta Cruz Roja Saturdays and Sundays for €9 return including the shuttle to the site; the site and museum are free for EU citizens with ID. Non-EU entry is €1.50.