The invention relates to a cone-shaped tent (1a) having a tent cloth (5) and a tent frame configured to carry the tent cloth (5). The tent frame comprises rigid elongated elements (7, 10) forming an entrance frame part which together with tent cloth portions (9) resting thereon defines a triangular opening (6) into the tent. A tent cloth member (16) is tightly closing said opening, which is separable to allow people to pass into and out of the tent. The tent cloth member (16) is provided with an aperture (21) allowing an element (7) to pass therethrough so as to have an end (22) thereof outside said tent cloth member at a distance therefrom and to carry tent cloth portions (9) resting thereon outside said opening (6). The invention also relates to a tent system comprising such a tent (1a) interconnected with another tent.