Call in trophy bulls with the Riven Cambium Elk Bugle Tube, a professional-grade tonal instrument crafted from premium natural tonewood to replicate the rich acoustic phenomenon of a natural elk bugle. Unlike synthetic bugle tubes that produce flat, artificial tones, the Cambium is crafted from carefully selected natural tonewood chosen for its superior acoustic properties—producing warm, resonant tones with natural harmonic complexity that closely mimics wild elk vocalizations.
The balanced sound resonance allows you to produce everything from soft cow calls and mews to aggressive challenge bugles and chuckles with exceptional clarity and realism. In heavily hunted areas where elk have heard countless cheap plastic calls, the Cambium’s authentic tonewood sound can make the difference between success and failure. Built to last generations with heirloom-quality craftsmanship.
Available in store at Glenwood Springs Outdoors, 831 Grand Ave, Glenwood Springs, CO.
