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Pitkin County adopts updated Northstar Nature Preserve management plan with stronger restoration and monitoring language
Summary
After extensive public comment and working-group review, the board adopted the updated Northstar Nature Preserve Management Plan (2026), emphasizing biodiversity monitoring, adaptive management and river/wetland restoration (including beaver-supportive measures); the plan drew both applause and concerns over commercial river use.
Pitkin County commissioners adopted March 25 an updated management plan for the Northstar Nature Preserve that strengthens biodiversity goals, adjusts monitoring thresholds and prioritizes ecological restoration while keeping a controlled program for quiet recreational access.
Open Space & Trails director Gary Tenbomb and staff said changes since first reading were minor: staff incorporated technical edits from Colorado Natural Heritage and adjusted the terrestrial wildlife diversity threshold so that species detections must not trend downward over three consecutive sampling periods rather than two. Staff also removed placeholder language and memorialized unanimous Open Space & Trails Board approval.
Public comment was extensive and diverse. Neighbors, conservation groups and scientists urged prioritizing river and wetland restoration, expanding beaver-supportive measures and limiting commercial activity that crowds the preserve. Outfitters and some commercial operators said they have worked with the county to provide education and limit impacts and requested clearly defined operating rules. The Aspen Valley Land Trust, which holds a conservation easement over part of Northstar, said the plan meets the easement's conservation intent while also providing an adaptive management framework.
Why it matters: Northstar is a high-value riparian and wetland system in the Roaring Fork Valley; the adopted plan is the implementation tool for protecting ecological values, guiding recreation and planning restoration projects such as beaver reintroduction and willow revegetation.
Board action and implementation: The board approved the ordinance adopting the updated Northstar plan on second reading with thanks to staff and the many public participants. Staff will proceed with implementation items, including prioritized restoration actions, habitat monitoring and continued stakeholder coordination.
Key public takeaways: The plan places ecology and river restoration central to management decisions, commits to adaptive monitoring, and creates a pathway to manage recreational intensity through thresholds and seasonal adjustments.
