Bielsa is the denomination of the area around this village but really is not a valley, it's three valleys named Chistau, Bielsa and Esera with a set of differents little massif of individualized mountains between the big areas of Ordesa and Benasque. The highest and most important peak of the area is Bachimala in the north.
-Valley of Chistau
In the north, border with France, it has the highest and more important mountains. This area is also trailhead to the neighbor massif of Posets-Eristes at East.
-Some villages: Chistau, Plan, San Juan de Plan, Sin, Señés, Saravillo.
-Trailheads: Refuge Tabernés (free hut), Refuge Biadós (private, reservation).
-Mountains: massifs of Culfreda-Lustou and Bachimala.
-Valley of Bielsa
The valley of Bielsa is an important area near of road of the tunnel under Pyrenees between France and Spain.
-Villages: Bielsa, Parzán, Javierre, Tella, Ceresa, Puértolas, Escuáin.
-Trailheads: track of Ordiceto (Suelza), Monastery San Victoriano (Montañesa)
-Mountains: little ranges of Punta Suelza and Peña Montañesa.
-Valley of Esera
The little valley around the river Esera.
-Villages: Barbaruens, Campo
-Mountains: Cotiella (really the massif is between 2 valleys, Bielsa and Esera).
Massif of Culfreda-Lustou
The first range from the west is joined across the Puerto de la Pez with the massif of Bachimala. This 2 massifs have the same trailhead in area of Tabernés-Biadós (east) but it's possible to begin the route from West and North.
: Cauarère (2901m), Culfreda
or Batoua (3034m, 3028m and 3032m), Balinet or Niscoude (2963m), Guerreys or Bacou (2867m), Lustou
(3023m), Parraouis (2863m). The peak Lustou is located in France not in Bielsa but it's the same massifs.
-Spanish trailheads: Tabernés (1750m), Biados (1745m)
-French trailheads: Hospice of Riomajou (1560m).
Massif of Bachimala
The great peak of Bachimala is located in the north surrounded with some peaks over 3000 meters. Really had 2 massifs separates in the Puerto de la Pez, the massif Cullfreda-Lustou and the massif of Bachimala
-Mountains: Pico del Puerto de la Pez (3018m), La Pez (3024m), L'Abeille (3029m), Marcos Feliú (3057m), Pequeño Bachimala (3068m), Punta del Ibón (3052m), Punta Ledourmeur (3120m), Bachimala
(3177m), Punta del Sabre (3139m).
-Trailheads: Tabernés (1750m), Biados (1745m).
Punta Suelza & Punta Fulsa
This forgotten and high mountain is far of the normal routes of the area but the image of the peak is really nice. The forest track of Ordiceto is not always opened and without it the route is long. The forest track is really bad to the cars.
: Punta Suelza (2973m), Punta Fulsa (2865m), Ordiceto (2597m), L'Orbar (2422m).
: Central de Ordiceto (1950m), Campamento Virgen Blanca (1555m).
Massif of Cotiella
Cotiella and Raimond d'Espouy
Cotiella is an important peak of this area in the special circo de Armeña, but really it's a great massif with highest mountains.
: Punta Llerga (2269m), Mobisón (2605m), Punta Litás (2623m), Peña de la Una (2721m), Cotiella
(2912m), Raimond d’Espouy (2823m), Peña del Mediodía (2465m), Peña de las Once (2660m), Pico Llosa (2712m), Punta Alta (2740m).
: Pista de Barbaruens (1400m), Collado Sta Isabel (1542m).
In the southwest of Cotiella is the little range Peña Montañesa.
: Peña Montañesa
(2291m), La Tuca (2267m), Pimpinos (2080m), Peña Madrid (1982m), La Forquiella (2170m).
: Oncins-Monastery San Victorian (south), Ceresa-La Collada (north).