a river in Pskov and Novgorod oblasts, RSFSR. The Shelon’ measures 248 km in length and drains an area of 9,710 sq km. It flows over the Il’men’ lowland and empties into Lake II’men’. It is fed predominantly by snow. High water is from April through May, and there is flash flooding in autumn. The mean flow rate 59 km from the mouth is 43.6 cu m per sec. The Shelon’ freezes in November or December, sometimes as late as March (1925), and the ice breaks up in March or April. It is navigable in the lower course. The cities of Porkhov and Sol’tsy are situated on the river.

References in periodicals archive ?
Electronic auction: provision of services for the determination of the boundaries of water protection zones, the boundaries of coastal protective bands, the shoreline (the boundary of the water body) of dolgoye, velino, the zhelcha gdovka, the gorodishchenskoye, malskoe lakes, the obdekh river of the pechora district, the lovat river, velikiye luki, velikie luki, , usvyatsky district, shelon river, porkhov, porkhovsky, dedovichsky districts of the pskov region (identification number: 588-a-gz)
On 25 August 1567, Secretary Andrei VasiTev syn Beznosov sent a transfer charter (vvoznaia gramo ta) to Gavrilo Timofeev syn Kuzovitskii and Ushak Begunitskii, conveying to them hamlets in Shelon Fifth, in exchange for land taken into the oprichnina in Staraia Rusa.
On 25 August 1567, on Ivan's order, Secretary Andrei Vasil'ev syn Beznosov sent an assignment charter (otdel'naia gramota) to peasants on conditional land in Shelon Fifth, explaining the assignment of their lands to Gavrilo Timofeev syn Kuzovitskoi and Ushashka Begunitskoi, in exchange for lands in Staraia Rusa incorporated into the oprichnina.
On 18 May 1570, by Ivan's order, Mikhailo Ivanov syn Shishelov implemented a transfer charter assigning to Andrei Leont'ev syn Borshchov hamlets as a conditional land grant in the Shelon Fifth, vacated by Petr Shchulepnikov, whom Ivan had taken into the sovereign's oprichnina.
In a series of documents beginning 29 May 1570, Ivan reassigned a conditional land grant in Shelon Fifth, not in the oprichnina, to Fedor Nikitin syn Bekhteev.
Shelon well known, thus facilitate the establishment of a relationship between body build and psychiatric disorder.