The Grandboulder of Komultēni is situated in Sakstagals rural municipality in the forests; around 700
m from Jēkabpils – Rezekne road to the NE of Komultēni. The flat top and the sides are cracked. Boulder consists
of the magmatized gneiss. The circuit of the boulder is 15 m, length 5 m, width 3 m, height 1.8 m,
capacity about 20 m3.