Staying Home Sucks, home
Arith - Tonne à eau dans un pré (avr 2023)
Arith, the nearest town, 2 km away. Photo: Sebleouf, CC BY-SA 4.0, Wikimedia Commons

Porche des Eaux Mortes

Dive site · France

Advanced divers and up

Fresh water: lake, river or quarry

Is it worth the trip?

65Good out of 100 for your dates

Usually home sucks

Every day scores the same, usually

Each day of your trip, out of 100

Tue 3 · 65 out of 100

From the usual week for these dates, not the forecast.

Wed 4 · 65 out of 100

From the usual week for these dates, not the forecast.

Thu 5 · 65 out of 100

From the usual week for these dates, not the forecast.

Fri 6 · 65 out of 100

From the usual week for these dates, not the forecast.

Sat 7 · 65 out of 100

From the usual week for these dates, not the forecast.

Sun 8 · 65 out of 100

From the usual week for these dates, not the forecast.

Mon 9 · 65 out of 100

From the usual week for these dates, not the forecast.

No forecast for this spot on these dates. Usual weather for your dates

The site in three facts

  • Down to 30 mits deepest
  • Advancedand up
  • Fresh watera lake, quarry or spring

Usual weather for your dates

not a forecast
Usual dive conditions at Porche des Eaux Mortes, each day of your trip
DayAir
Tue 3to 8usually11°C
Mon 9usually9°C

No forecast for this spot on these dates. These are the usual readings for that week.

Map

the site and its town

Each place wears how it usually is on these dates, from past years' weather: green good, amber fair, pale red poor, as the key says.

The map needs JavaScript. Every place on it is listed on this page, and each place's page links to Google Maps.

One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.

About

the place in full, sources, credits

About Porche des Eaux Mortes

A cave dive in fresh water: a lake, quarry or spring. It goes down to 30 m. It suits Advanced divers and up, by its depth against the depths each course trains to. No dive centre within 10 km, the nearest 15 km away. The town to stay in is Arith. Within 5 km we also list 1 dive site, 1 kayak spot and 1 climbing area.

  • Water Fresh water: a lake, river or quarry, not the sea. It is scored on its wind and rain only.
  • What it is Cave.
  • How deep Down to 30 m.
  • Who it suits Suits Advanced divers and up, by its depth against the depths each course trains to.
  • Dive centres No dive centre within 10 km, the nearest 15 km away.

The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).

Rough cost (estimate): about US$1,230–US$2,320 each

about US$1,230–US$2,320 each · 6 nights, 2 sharing: flights, hire car, stay, food.

Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.

How we worked it out 
Rough cost per person for this trip
WhatHow we worked it outEach
Flightsreturn ORD to MXP, estimated from distance and season, 1 airline on the route, with a hold bagabout US$496–US$1,030
Hire car6 days, sharedabout US$141–US$234
Stay6 nights, a mid-range double, sharedabout US$281–US$469
Food7 days eating outabout US$315–US$583
Totalabout US$1,230–US$2,320

Guided dives are not priced yet: we have no sourced price, so it is not in it. Prices from public sources, checked in 2026.

Where to stay: Arith

Closest

Arith

about 5 min by car · 7 places to stay

about US$107/nightcountry average

See 7 places to stay in Arith · Booking.com

About Arith its beds, food and every spot near it

About US$107 a night is our estimate of the country's average 2-star double room that month: not each town's price, and not a quote. Drives are estimates. Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 30 October 2026.

Getting there: about 17h 25m

About 17h 25m door to door from Chicago

Fly ORD → MXP, direct, then 3h 50m by road

An estimate, one way; the journey never changes the score.

In the water

Dive centres nearby

The nearest named dive centres and shops within 25 km, in a straight line; training agencies where the map states them. Listings, not a recommendation. Dive centres: © OpenStreetMap contributors (ODbL). Credits

What is under the water (visibility, current, life) no free forecast gives. Ask a dive centre before you book.