Seven Coloured Earths

What the code says

The Grid Point Code for Seven Coloured Earths is #8C8J7-3DN5N. It names a cell 2.56 m north to south and 3.20 m east to west, centred on 20°26'25.14"S, 57°22'24.44"E, and it turns back into that cell on any phone or computer by arithmetic alone: no network, no account, no lookup table.

What it is

Geological attraction on Mauritius

Code

#8C8J7-3DN5N

With a check character

#8C8J7-3DN5N*H

Short form

3DN5N

Cell centre

-20.440316, 57.373455

Cell size

2.56 m by 3.20 m

Region

Rivière Noire District

Country

Mauritius

How to give this address

On a sign, a form or a delivery note

The whole code, #8C8J7-3DN5N. It needs nothing else: no city, no street, no network to read it back.

Said aloud, in Rivière Noire District

Seven Coloured Earths 3DN5N: a name both people know, then the last five characters. They give back the exact code for anywhere within 4.0 km north or south and 5.0 km east or west of Seven Coloured Earths. Further away the same five name somewhere else, which is why the whole code is what goes on a sign.

Copied by hand, or read over a phone

#8C8J7-3DN5N*H. The character on the end catches any single mistyped symbol and any two neighbours swapped.

As a link or a square code

Open it on the map, move to the exact door, and add directions if the code needs help: "blue gate, second floor". The link and the square code carry them. Nothing is kept on this site.

From the city to the door

The first four characters name a cell about 40 km by 50.1 km here. Each one after that picks one of 25 inside the last, so the whole ten name a spot about the size of a doorway.

1. J8C8JMetropolitan area40 km by 50.1 km
2. 78C8J7District8 km by 10 km
3. 38C8J73Suburb1.6 km by 2 km
4. D8C8J73DA few streets320 m by 401 m
5. N8C8J73DNBuilding64 m by 80.1 m
6. 58C8J73DN5Entrance12.8 m by 16 m
7. N8C8J73DN5NDoorway2.56 m by 3.2 m

More in Mauritius

• Port Louis
• Le Morne Brabant