province has two larger streams, Ljungan and Indalsälven (sometimes referred to as Jämtlandsälven). Both emanate from the Scandinavian Mountains and drain several lakes on their way eastwards to lower elevations. The water surfaces are in most cases 300 meters above sea level. In the northernmost parts of Jämtland, the fells are roughly 900–1,100 meters high. In these parts important tributaries to the Angerman River emanate from each side of the Blåsjö Fells. One of them originates on the fell's east side and drains lakes like Storjoudan and Storsjouten (443 meters above sea level) and later on Flåsjön (265 m) after which it disappears into Ångermanland. The other originates on the western part of the mountain range and drains lakes such as Blåsjön (both the small and the large one, 443 m), both Stor- and Lill-Jorm, Kvarnbergsvattnet (331 m) and afterwards the water system Ströms Vattudal (286 m), then it continues its journey and drains Fångsjön as Faxälven. The largest stream, Jämtlandsälven, has numerous important tributaries throughout the province. From northern Jämtland several small streams are united as Ammerån. Hårkan is another tributary which flows south of Ammerån. Hårkan begins on the Norwegian side of the border in Nord-Trøndelag and drains Hotagen (310 m) and the lakes further south before it reaches Lit and pours out in Jämtlandsälven. From Offerdal- and Sösjöfjällen emanates the tributary Långan, a small stream which drains lake Landösjön (331 m). Jämtlandsälven itself starts in Jämtland's westernmost mountain range and drains lakes such as Torrön (411 m), Juvuln and Kallsjön (386 m) and Liten (318) before it reaches Storsjön. The lakes Anjan (420 m) and Stora Rensjön are drained by Kallsjön and in Lake Liten the tributary Enan is emptied. Enan runs from the Sylan mountain range and has a tributary of its own in Handölan, a small stream which also runs from the Sylan mountain range (though it has another point of origin) and empties in Ånnsjön (528 m). Afterwards Enan is joined by Åreälven, a stream falling from large heights which has resulted in waterfalls such as Tännforsen, the outlet of lake Tännsjön. From Härjångsfjällen runs Vålån which is emptied in Ottsjön, which together with Håckren is emptied through, e.g., Ristafallet in Lake Liten. All the conjoined streams then run toward Ockesjön where streams from Ovikenfjällen also are emptied, before they all reach Storsjön (292 m), Jämtland's largest and Sweden's fifth largest lake. Several tributaries