Webtwo of our favorites are the devil's waterhole trail and the pecan flats trail. In contrast to its name, the devil's waterhole trail is an easy hike that leads to a swimming hole. Webdevil's waterhole is a canyon swimming hole located in inks lake state park. This beautiful reservoir is a part of the colorado river and takes a hike to find, but once you arrive the. Webdevil's waterhole in inks lake state park is a must visit! A great place for cliff jumping in texas hill country, or just for swimming & kayaking. Prepare to see the oldest rock on public land in texas, a. Webvisit devil’s waterhole in burnet in northern hill country if you’re looking for a unique outdoor adventure in texas, the devil’s waterhole at inks lake state park.