Llano Plateau ecoregion - among the Oaks (predominately the Plateau Live Oak, Blackjack Oak, Post Oak, Shin Oak, and Lacey Oak) - viewing here from the lichen encrusted volcanic granite boulders, along the eastern slope of Little Rock - across the lower southern end of Echo Canyon, among the pricklypear cacti - to the southern end of Enchanted Rock - with the Llano Uplift beyond - from Llano into Gillespie county.