[3] The National road 5a connects the town with Sambava (81 km) and Ambilobe in the North.

The local airport is situated at 12km west of Antalaha but it didn't receive any flights since 2015.

[4] In addition to primary schooling the town offers secondary education at both junior and senior levels.

Antalaha experiences a humid trade-wind tropical rainforest climate (Koppen Af) with prodigious rainfall all year-round.

The heaviest rainfall, highest humidity, and hottest temperatures are typically observed from December to April, the wettest month being January, receiving a copious average of 358.1 mm (14.10 in) of total precipitation.