Cabo de Gata-Níjar · Spain · Cave & cavern · Reef
El Túnel Naranja
A natural rock tunnel to swim through at 15-20 m
Area photo: Konrad Hädener from Thun, Switzerland · CC BY 2.0
El Túnel Naranja is a swim-through tunnel dive on the volcanic coast near San José, inside the Cabo de Gata-Níjar Natural Park. The dive averages 15 m with a 20 m maximum and is rated CMAS one-star / Open Water, which makes it one of the more accessible guided dives on the park's western side.
Where it is and how deep
36.7743° N, 2.0683° WApproximate position — the dashed circle shows where the site lies; your operator's briefing has the mooring.
The dive
El Túnel Naranja is dived by boat from San José — under half an hour out — where the village's dive centres run guided dives along their own stretch of the natural park when conditions allow. Diving in the marine reserve happens under authorisation from the Andalusian environmental authority — the centres handle the paperwork — so this is a site to book as a guided dive rather than attempt independently.
The profile is simple: the dive averages 15 m and tops out at 20 m, built around the natural tunnel in the volcanic rock that gives the site its name. Follow the guide through the swim-through and along the surrounding reef; with a CMAS one-star / Open Water rating, the tunnel is considered manageable for newly certified divers, and nothing about the site asks you to go deeper than 20 m.
Marine life and season
The sources we used don't single out particular species here.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fair | Fair | Fair | Good | Good | Prime | Prime | Prime | Prime | Good | Fair | Fair |
Season follows Cabo de Gata-Níjar: Visitor season peaks spring through summer; surface water swings from 10-15 °C in winter to 21-30 °C in summer, with 22 °C still logged in October.
Questions divers ask
How deep is El Túnel Naranja?+
The dive averages 15 m with a maximum depth of 20 m, so the whole profile sits within standard entry-level limits.
What certification do I need for El Túnel Naranja?+
The site is rated CMAS one-star / Open Water. San José dive centres run it as a guided dive and arrange the reserve authorisation.
Sources
- San Jose - Diving in San Jose, Spain — Wannadive
- El Tunel Naranja spot page — Wannadive
- Cabo de Gata-Níjar Natural Park — Wikivoyage (en)
More dive sites in Cabo de Gata-Níjar
Eagle rays and hunting barracuda on the island's outer wall
Reef
Small octopus on the anchorage rock at 5 m
Wall
Sardine schools hunted by small tuna at the end of summer
Cave & cavern
Volcanic cave diving without an advanced card
Reef
Try-dive shallows at 3-5 m, groupers on the way to 16 m
Cave & cavern
Gliding through light-filled rock canyons inside 12 m
A crack rising from 15 m to 5 m at the turnaround point
Seamount
Dropping through a volcano-shaped crater to an arch full of eels
Similar dives elsewhere
Linked chambers and arches beneath the Kleftiko sea caves
Into a cave through its roof, out through its mouth at 18 m
A dark, twisting 30 m long swim-through between two ridges
.jpg){kind=link}
A 50 m training cavern at 17 m, 15 minutes from Moraira port