Giona

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Giona
The mouth of the Giona in Lake Maggiore

The mouth of the Giona in Lake Maggiore

Data
Water code CH : 4619
location Switzerland

Italy

River system Po
Drain over Lake Maggiore  → Ticino  → Po  → Mediterranean
source on the southern slope of Monte Tamaro
46 ° 6 ′ 5 ″  N , 8 ° 51 ′ 55 ″  E
Source height 1795  m above sea level M.
muzzle at Maccagno in the Lago Maggiore coordinates: 46 ° 2 '20 "  N , 8 ° 43' 57"  E 46 ° 2 '20 "  N , 8 ° 43' 57"  E
Mouth height 193  m slm
Height difference 1602 m
Bottom slope 11%
length 15.1 km
Catchment area 47.52 km²

The Giona is a 15 km long river that rises in the Swiss canton of Ticino and reaches Lake Maggiore on Italian territory . The source is on the southern slope of Monte Tamaro . The Giona flows largely in a south-west direction and affects the municipality of Indemini . It has a length of 15.1 km, of which 4.6 km are in Switzerland, 10.5 km in Italy and 120 meters on the border.

In Switzerland it flows through the Val Giona , which continues in Italy with the Valle Veddasca . For the time being, the municipal boundary between Maccagno con Pino e Veddasca and Curiglia con Monteviasco runs along the Giona. The village of Maccagno lies on both sides of the river mouth on an alluvial cone that extends far into Lake Maggiore .

Individual evidence

  1. a b c d Geoserver of the Swiss Federal Administration ( information )
  2. a b c Portale Idrologico Geografico di ARPA Lombardia