The University of Maine at Presque Isleís Outdoor Adventure Program International will host a geocaching event on Nov. 4 at 1 p.m. at the Nordic Heritage Sports Center. Participants will use GPS devices to locate numerous caches hidden within the vast network of ski and mountain bike trails. No experience is necessary. To participate in this high-tech treasure hunt, individuals must be registered by Nov. 3 at 4 p.m. and pay $5. For more information, contact Kim McCrea at 768-9401.