The municipality lies on the river Kyll in the Vulkaneifel, a part of the Eifel known for its volcanic history, geographical and geological features, and even ongoing activity today, including gases that sometimes well up from the earth.

More recently, newer information was brought to light by a dig undertaken in 1986 by the Trier Rhenish State Museum.

Inside is a Gallo-Roman temple with a cella and a passageway in which a limestone tablet was found as early as 1833 inscribed with a dedication to the goddess Caiva.

The tablet mentions that a man named Marcus Victorius Polentius granted an endowment of 100,000 sestertii for the temple to Caiva to be built.

The municipal election held on 7 June 2009 yielded the following results:[6] Pelm's mayor is Leo Meeth.

The municipality's arms might in English heraldic language be described thus: Per pale vert a fess wavy abased argent above which a wall flanked by two towers all embattled Or, gate and windows sable, and argent a fess wavy abased conjoined as one to the other azure issuant from which a processional cross gules.