Challenge yourself and hike up Mt Tapyas. Amazing views and a feeling of accomplishment will be your rewards!
You'll have no end of sightseeing choices when spending time in Coron. Mt Tapyas is a good place to start here, but there are lots of other fine places to consider. Twin Lagoon, Kayangan Lake, and Palawan State University - Coron are near the steep landmass and will fill in your day nicely.