Cáceres Province is a big place and so is Extremadura. There are some really super walks that do not fit neatly within a geographical area such as a sierra. All the walks 'dotted' around the region will be under this heading in the hope of making locations easier to find.
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On the lane towards Proserpina, the oldest Roman reservoir in the world
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Los Barruecos Natural Park just west of Cáceres

Top photo: On a track through the chestnut and oak woods near Garciaz in the Sierra de Guadalupe in April (Walk 23 'The Sierras of Extremadura')