The tourist office, inside the Mercado de Artesanías, can answer any question as long as it's posed in Spanish and it's open (not a guarantee).
Uspantán's tourism association can keep you abreast of upcoming events and set up guides. It has no proper office but you can phone or email.
Authorized guides can be hired here for cultural tours of the town and up to Pascual Abaj.
ATM in the Town Hall building, opposite the park.
Maintains a 24-hour emergency clinic.
One block northwest of the park.
Changes traveler's checks.