Hello
As i have promised in my previous message (3871), I have more 
information about the east Andorra tripoint:
 I own a new official spanish map, mapa topográfico nacional de 
España, published by the spanish government, 1:25:000, and the 
tripoint is marked at La Portella, where the border marker 427 is 
placed. Next weekend i will scan and post it.
Ive consulted a very interesting book: Atles cartogràfic de les Valls 
dAndorra 1692-1976, edited in 1999  by the Andorran goverment. There 
are several articles about andorran cartography and geography, and over 
80 different spanish, french and andorran maps.
 Ather reading the articles, I conclude that there are no boundary 
treaties between Andorra / Spain and Andorra/France. All the border 
lines are provisional. A notarial delimitation act between Andorra 
and France is confirmed, but it seems it was only about the Parròquia 
(municipality) of St. Julià de Lòria, so it doesnt include the 
tripoint. It was made in 1856, and the notaries were Lluís Dalmau de 
Baquer, from Andorra and Tomàs Pal Mitjavila, from Spain. 
 The maps are in larger scale ( the most 1:100.000 and over ). The 
1:50.000 ( unofficials ) maps are no so precise to mark the exact 
tripoint. Some maps seems to mark the north one and some the south..
 Theres a map  1:50.000 made by M. Chevalier in 1923 (raccord entre 
lAndorre et la frontière espagnole par létat major espagnol), where 
the border finish at Portella Blanca ( 2.515 m.), so the north one, but 
another map of M. Chevalier ( 1925 ), marks the south one.
On a popular catalan map for excursionists 1:40.000 ( Ed. Alpina ), the 
tripoint is not cleraly marked. Theres is a note in this map: the 
border limits are provisional until the agreements would be make
 
 The official andorran 1:10.000 map ( 1976 ) that Eef put in his web 
marks the south tripoint, but theres a note about all the andorran 
boundaries: provisional boundary limits, and the Spain/Andorra 
boundary line hasnt been officially sanctioned
 So we can conclude that the tripoint exist, but Andorra hasnt 
boundary treaties with Spain and France, so, the exact location is not 
well defined.
 Searching for more information, I have found that a France/Andorra 
boundary treaty was signed on september, 2000: As Ive explained, there 
is a disputed zone near the tripoint. The Envalira tunnel was in works, 
and a viaduct had to cross this zone. France and Andorra have exchanged 
15.000 m2 and delimited the boundary in this zone. The mayor of Porta ( 
France ) is not satisfied with this treaty.
In the treaty both countries declare that they want a future agreement 
about his whole common boundary.
See the links ( in catalan ):
http://www.elperiodico.com/EDICION/ED010731/CAS/CARP04/PDF/pag008.pdf
http://www.elperiodico.com/online/apuntador_andorra.asp?
urlname=
http://www.elperiodico.com/EDICION/ED010706/CAS/CARP04/tex007.as
p
http://www.juridicas.com/areas_virtual/Revistas/99-Andorra/andorra7.htm
Marcel
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