Park in a small car park (a few spaces) on the Fv17 road, just past Aseli.
(S/E) Head south and follow the signposted Aseli–Lurfjellhytta trail towards the Lurfjellhyta mountain hut.
(1) Continue straight on along the signposted path, which soon turns south-east. This will take you to the lake known as Ovre Aselivatnet.
(2) Retrace your steps. After about 150 m, turn right and follow an unmarked path along the River Aselielva. This will take you to the southern shore of Lake Nedre Aselivatnet.
(3) Turn left and walk along the lake with it on your right.
(1) Join the signposted path you took on the way there and follow it to the right to return to the car park (S/E).