Gross Reservoir is managed by Denver Water. Visit their website for regulations and information.
{ Last know status: Closed | Approximate size: Unknown Mile(s) | Last updated: October 20, 2020 }
From Boulder, head west on Canyon Boulevard, (Colorado Highway 119) for fthe miles and turn southwest onto Magnolia Road (County Road 132). Continue on Magnolia Road for 6.6 miles and turn southeast onto County Road 68. Follow CR 68 for two miles and turn southeast onto National Forest System Road 359.
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