Conival is part of the Ben More Assynt Site of Special Scientific Interest because of its outstanding geological features, it displays the Moine Thrust Belt clearly on its slopes, this is an upthrust of rocks caused by tectonic plate collision during the Silurian period.

[7] The underlying limestone within the reserve creates ideal conditions for rare plants like mountain avens, frog orchid and holly fern.

Na Tuadhan is an important geological area displaying spectacular folds of Cambrian quartzites exposed by the Moine Thrust on its southern cliffs above Coire a' Mhadaidh.

A spur runs south west off the SSE ridge to cross a col (Bealach Traligill) that connect to the neighbouring Corbett of Breabag.

The route follows the valley of the River Traligill passing the Cnoc nan Uamh cave system located within a band of Cambrian limestone.

The route continues to the source of the river at the col between Beinn an Fhurain and Conival from where it is a rough climb up quartzite scree to the summit.