The river Ticino is the most important perennial left-bank tributary of the Po. It has given its name to the Swiss canton through which its upper portion flows.
There are 106 municipalities in the canton of Ticino, Switzerland,. Municipalities (comuni) are grouped in circles (circoli) which are part of districts (distretti).
The Ossola is an area of Italy situated to the north of Lago Maggiore. It lies within the Province of Verbano-Cusio-Ossola. Its principal river is the Toce, and its most important town Domodossola.
Onsernone is a municipality in the Swiss canton of Ticino, near the city of Locarno. The river Isorno, known as the Onsernone River in Italy, runs through the valley with which Onsernone shares its name.
Intragna is a village and locality in the municipality of Centovalli in the district of Locarno of the canton of Ticino in Switzerland.
Craveggia is a comune (municipality) in the Province of Verbano-Cusio-Ossola in the Italian region Piedmont, located about 130 kilometres (81 mi) northeast of Turin and about 20 kilometres (12 mi) north of Domodossola, on the border with Switzerland. As of 31 December 2004, it had a population of 756 and an area of 36.5 square kilometres (14.1 sq mi).
Gresso is a former municipality in the district of Locarno in the canton of Ticino in Switzerland. The municipality was formed in 1882 by splitting from Vergeletto. On 10 April 2016 the former municipalities of Vergeletto, Gresso, Mosogno and Isorno merged into the municipality of Onsernone.
Isorno is a former municipality in the district of Locarno in the canton of Ticino in Switzerland. On 10 April 2016 the former municipalities of Vergeletto, Gresso, Mosogno and Isorno merged into the municipality of Onsernone.
Loco is a village and former municipality in the canton of Ticino, Switzerland.
Comologno is a village and former municipality in the district of Locarno in the canton of Ticino, Switzerland.
Crana is a village and former municipality in the district of Locarno in the canton of Ticino, Switzerland.
Pizzo di Madéi is a mountain of the Lepontine Alps, located on the border between Switzerland and Italy. It lies between the valleys of Vergeletto (Ticino), Isorno and Onsernone (Piedmont).
Valle Vigezzo is a valley in the Lepontine Alps in northwestern Italy on the border with Canton Ticino of Switzerland. It forms the eastern branch of the Ossola valley. It is also called the Valle dei Pittori due to the large number of painters over the centuries such as Giuseppe Mattia Borgnis, Lorenzo Peretti, Bernardino Peretti, Enrico Cavalli, Carlo Fornara, Giovanni Battista Ciolina, Gian Maria Rastellini, Maurizio Borgnis, Lorenzo Peretti Junior. It is remembered for its "spazzacamini" or chimney-sweepers who brought their trade around Europe. It is connected with the Eau de Cologne, invented over 300 years ago by Giovanni Maria Farina using, among other ingredients flowers and oils from plants from Vigezzo. Another man from Vigezzo, Giovan Maria Salati is credited to be the first recorded person swimming across the English Channel over 200 years ago, after having been taken prisoner by the British after Waterloo.
The Melezzo Occidentale is a 13 km Alpine torrent which runs through the western part of the Val Vigezzo, a side valley of the Ossola in the Province of Verbano Cusio Ossola, northern Italy. Belonging to the Po basin, it is a left tributary of the Toce which in its turn flows into Lago Maggiore.
The Melezza, in Italy the Melezzo Orientale, is a 42 km Alpine torrent which runs through the eastern part of the Val Vigezzo, in the Province of Verbano Cusio Ossola, northern Italy; and through the Centovalli of Canton Ticino, Switzerland. Belonging to the Po basin, it is a tributary of the Maggia which in its turn flows into Lago Maggiore.
Bagni di Craveggia is a frazione of the municipality of Craveggia, in Piedmont, northern Italy. It is located in the Onsernone Valley at 986 m (3,235 ft), on the border of Switzerland. Road access is through Spruga, a village in the municipality of Onsernone, which lies across the Isorno river. It owes its name to a source of thermal water at 28 °C (82 °F).
Spruga is a village in the Swiss municipality of Onsernone, in the district of Locarno, in the canton of Ticino. It lies on the sunny, south-facing slopes above the Isorno river on the border of Italy. The first recorded mention of Spruga goes back to the year 1285. Spruga is the last village on the sole road through the Onsernone Valley as well as the nearest settlement to the old thermal baths at Bagni di Craveggia where a 6-story hotel, now in ruins but open to the public, was built in 1819. In the 19th century, visitors to the baths had to take an 8-hour carriage ride from Locarno to Comologno and then walk the last three to four kilometers on a dirt trail through Spruga with their luggage on mules or carried by locals. Mail service was brought into and from the Onsernone Valley on foot to Loco, where mail was then distributed and collected.
The Onsernone Valley, is one of the principal valleys of the Locarno District, in the Swiss Canton of Ticino. The Onsernone Valley derives its name from the Onsernone River, the name used in Italy for what the Swiss call the Isorno. As of 10 April 2016, the municipality of Onsernone is larger than the Valley of Onsernone because Vergeletto and Gresso in the neighboring Valley of Vergeletto, and Isorno, which lies partially in the Centovalli, were merged into it.
