Until a several years ago, Warren Falls was posted. I suppose the owners of the property were concerned with the standard issues surrounding popular waterfalls: liability, noise, vandalism, and littering. I'm sure this place generated all of that. Narrow and rocky constrictions tend to trap logs which in turn tend to trap swimmers. There have been several drownings here. It's a well-used place, with a relatively large number of visitors. Happily, apart from the occasional fire-ring or empty beer can, not much evidence of the high usage can be seen. The water sculpture here is among the best examples in the state, but the most amazing feature of the falls is the color of the lowest pool (provided you don't catch it in high water). The lower pool is the most intense deep blue green color. Simply unbelievable. The falls themselves are small, mostly small drops in a well carved gorge. The total drop of the formation is only about 20', but I recommend a visit by all means. Mad River comes to a river wide schist ledge, drops 5', slides into a tight cleft, drops 5' and makes a nearly 180 degree turn. The river then separates around a smooth rock ledge dropping 7' gathering in a shallow pale aqua pool. The final drop of 3' pours into a very deep, intense deep teal pool. It has to be seen to be believed. I'd comfortably say the lower pool is over 20' deep beneath the falls. The name Carleton Falls was in use in the late 1800s and early 1900s, but hasn't been in use for about 100 years.