We did the "Aphrodonis" walk, combining the Adonis and Aphrodite trails to make a round trip of 6.5 miles from the Baths of Aphrodite car park.
Contrary to another reviewer's experience, we found the trail fairly clearly marked - although it helps to have walking notes and/or the trail leaflet for additional guidance at major junctions with the area's other trails and dirt roads. The leaflet will also give you information beyond the simple captions found on the dozens of markers along the trail which identify plants, geology and other features.
Maps are available free from some hotels and tourist offices, while both trails are shown in detail on openstreetmap.org and cymps.com.
The views are great, although when we walked (early May, with temperatures several degrees above normal for the time of year) there was a fair bit of haze - in winter or early spring when the air is clear it must be magnificent.
There are plenty of benches at irregular intervals, so you can normally find somewhere good to eat a snack or rehydrate.
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