The RSPB reserve at Glenborrodale is located on the hills beside Loch Sunart and consists of Atlantic oak woodland, heath and bog.

Over 634 species of flowering plant have been recorded on or in the vicinity of the reserve. The reserve supports over 40 species of liverwort, over 70 mosses and over 90 species of lichen. Lichens include Arthothelium dictyosporum, Bactrospora dryina, Fuscopannaria sampaiana and Pseudocyphellaria norvegica. Liverwort species include Adelanthus decipiens (Deceptive Featherwort) and Plagiochila atlantica (Western Featherwort). Over 30 species of fern have been recorded on site or nearby, including Wilson's filmy fern.

Dragonflies include azure hawker, common hawker, golden ringed dragonfly, northern emerald, four spotted chaser, keeled skimmer, black and common darter, Common blue damselfly, large red damselfly and beautiful demoiselle.

Butterflies include a number of UKBAP priority species, including pearl border fritillary, small pearl border fritillary, chequered skipper, small heath and large heath. Look out also for purple hairstreak in the oak canopy, speckled wood in woodland rides and glades, and dark green fritillary on the rough grassland. Over 70 species on moth have been recorded on site.

Over 130 birds have been reported within or in the vicinity of the reserve, including the coast and surrounding waters. These include merlin, redstart, skylark, tree pipit, spotted flycatcher, wheatear, whinchat and wood warbler. Look along the coastline of Loch Sunart for common sandpiper, turnstone, oystercatcher and white-tailed eagle. Scan the ridge line of the Morvern Hills for golden eagles.

Look out for the tracks and signs of pine marten, wildcat and red deer in the reserve and otter along the coastline.

There is a nature trail through the reserve. Guided walks are available on Wednesday afternoon in season- please see website for details.