• Download the HD Mountains Roadless Area map [pdf]
• watch a 10-minute video on YouTube
The HD Mountains is a 39,172-acre roadless area centered around Ignacio Creek. The HD’s appearance from a distance is deceptive, inviting an impression of low rolling hills. Instead, streams incise deep and rugged valleys whose drier slopes are choked with Gambel’s oak and other dense shrubs, and whose wetter slopes are covered with stands of ponderosa pine, Douglas fir, aspen and white fir. The area offers prime habitat for turkeys, black bear, goshawk, and Mexican spotted owl. The area’s rugged topography has kept it free of extraneous roads and associated development such as logging and intensive grazing. Some spur roads penetrate the lower ends of valleys on the area’s periphery, such as Goose Creek and Turkey Creek, but the entire length of Ignacio Creek on the national forest is free of roads. One vehicle route extends north from the radio towers (FDR 756) and is proposed for closure and rehabilitation. Otherwise, the area is entirely free of roads and vehicle ways. Several range fences cross the area, and small stockponds can be found in the lower, open draws on the area’s periphery.
The rugged terrain and absence of trails results in outstanding opportunities for solitude. Primitive recreational opportunities are abundant and exceedingly high quality. The remote canyons of the HD Mountains require highly developed backcountry skills.
The HD Mountains in general, and Ignacio Canyon in particular, harbor some of the finest stands of old-growth ponderosa pine left in the San Juans. Numerous stands of old-growth ponderosa line Ignacio Canyon for over two miles. These trees are well over 250 years of age, with many exceeding three feet in diameter. The ponderosas’ cork-like bark glows red in late afternoon sunlight. Lush undergrowth fills the riparian zone below the ponderosas’ canopy. The trees are generally ramrod-straight and free of blemishes, indicating an extremely high-quality genetic pool. The San Juan National Forest’s old-growth inventory identifies several significant stands of ponderosa pine with old-growth scores greater than 40 located within the roadless area. The old-growth stands of Ignacio Canyon have been identified as a potential RNA.
At the lowest elevations, the HD’s merge into more open grasslands and parks with more widely scattered ponderosas and substantial stands of pinyon-juniper. This ponderosa/pinyon-juniper ecosystem is completely absent within designated wilderness on the San Juan NF.
The HD Mountains contain numerous diverse micro-ecological habitats surrounding springs and riparian areas, often including substantial stands of blue spruce.
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