A sweeping panoramic landscape of unusual chromatic invention — a valley scene in which the dominant color note is blue, applied to trees that in nature would be green. The middle ground is defined by two curving lines of dark blue-teal conifers that sweep in gentle arcs across the composition, following the valley's natural topography. These blue trees are the defining visual decision of the work: by de-naturalizing the tree color, Sidney transforms an observational landscape into something between documentation and vision.
The composition has exceptional depth. In the foreground, scattered individual trees — green, the most naturalistic element — are placed at various scales to establish close distance. The middle ground blue tree lines recede with the valley's curve. The background opens into pale washes of yellow-green and blue-white that read as distant meadow and sky merged in atmospheric haze. At center-middle distance, a small warm form — possibly figures or a farm building — provides the human element.
At upper right, an extraordinary element: a blue watercolor form that reads as a lake or river in the sky — positioned above the horizon line where sky should be, but painted with the same blue-teal as the trees below, it creates a visual ambiguity between sky and water that is either a painting accident or a deliberate surreal note. Given Sidney's track record with inexplicable elements, it may be intentional.
The sky itself is pale and spacious — mostly white with a few blue passages — giving the valley's warm-gold hillsides and the blue trees room to breathe. This is a large-feeling landscape painted with economy and confidence.