At or towards a point nearer the source of a river.
‘the salmon head upriver to spawn’
‘the main jetty is three-quarters of a mile upriver’
‘Scarborough-on-Hudson, some 30 miles upriver from New York’
‘no one lives upriver of our water intake’
‘As the wind tried to blow us away, we struggled upriver towards a lone hawthorn bush where the river made a right hand sweep, it was an area where I had caught decent chub in the past.’
‘It is not known in detail to what extent grayling move around in a river system, though some believe that they follow salmon upriver during spawning to feed on their eggs.’
‘In the 18th century, Dublin Bay was considered a dangerous place for ships trying to enter the river Liffey and move upriver to the city centre.’
‘This became increasingly difficult as the boat worked its way upriver because the river narrowed and became more unpredictable.’
‘They headed south, upriver past Red Buttes, and camped at a grassy spot a few miles above the mouth of what is now called Bates Creek.’
‘From Iquitos, it is an all-day boat ride upriver to the Rainforest Lodge.’
‘I live on the Hudson, a tidal river with a wedge of salt flowing upriver under the surface.’
‘They spend three to five years in the ocean, then make a difficult journey back upriver to spawn.’
‘One clever sea lion found his way into one of the dam's fish ladders, which allow salmon to bypass the dam's power station on their way to spawning grounds upriver.’
‘Russian sturgeon are caught at the end of their reproductive cycle, when they have left the sea and started swimming upriver to spawn: their eggs are riper, softer and older.’
‘On many rivers of the region, upriver residents had been defending their rights to a share of the river fisheries since the earliest days of settlement.’
‘This paper is based on field research in the mid-1990s in a remote upriver Kayan community on the Baram River in Sarawak, East Malaysia.’
‘They reach the river, and Bill goes upriver to fly-fish, and Jake stays to use the worms.’
‘Waterfowl, such as the gaudy mandarin duck, no longer nest in its wetlands; fish have been driven upriver or out to sea, or have gone extinct.’
‘He watched them disappear upriver and they watched him drift back toward civilization.’
‘If there has been a torrential downpour upriver, it will have an affect on water levels.’
‘Justina is spending her spare time visiting upriver longhouses where whole communities live under one roof in some cases surrounded by skulls which hang from the rafters as a grisly reminder of days past.’
‘And as she sailed upriver, she became the first Royal Navy warship to pass under the new Millennium Bridge - the ‘winking eye’.’
‘The drawing included a lake, parkland, retail outlets, a middle school and housing that would serve as a gateway to upriver trails and bikeways.’
‘Already by 1760 some upriver communities were calling on the Nova Scotia government to restrict net fishing at the mouths of rivers.’
adjective
Situated or occurring at a point nearer the source of a river.
‘they headed for the upriver side’
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