[2] The significant incidence of hemophilia in the population was documented in the mid 1800s and then later (1909) referenced by Bulloch and Fildes in "Treasury of Human Inheritance."

The blazon of the municipal coat of arms is Gules St. Valentin clad Argent and caped Or with his dexter raised in blessing and holding in sinister a crosier of the last.

It consists of the village of Tenna which is made up of the sections of Ausserberg, Mitte, and Innerberg as well as the hamlets of Acla and Egschi along the valley road.

[5] However, as you move lower down to areas with higher humidity and warmer temperatures, such as the Rabiusa, the risk of ticks increases.

Nearby municipalities, such as Versam, show up as hot (high-risk) in Switzerland's tick bite model.

Employment and businesses were organized as follows:[4] Agriculture is the largest economic activity in Tenna, particularly hay harvesting for which there are government subsidies.

Visitors come to Tenna in the winter for skiing and in the summer for hiking, agritourism, and rafting and kayaking (at the nearby Versam-Safien railway station).