Restoring Coldstream Canyon

Coldstream Canyon, located just west of the Town of Truckee, is a mecca for recreational users including backpackers, mountain bikers, and bird watchers. Since the 1800s, however, the roughly 12 miles of rugged land surrounding Cold Creek has been degraded by historical logging, road construction, and gravel mining practices.

In 2007, the Truckee River Watershed Council (TRWC) took action to prevent this important headwaters area from becoming lost forever. Through our Coldstream Canyon Watershed Assessment, we identified and prioritized key restoration opportunities to address historic impacts and reestablish the natural functions of the subbasin.

Since then, we have completed several large-scale restoration projects throughout Coldstream Canyon, restoring over 75 acres of aquatic, wetland, and riparian (or water-adjacent) habitat and improving over 13 miles of dirt roads.

To learn more about these projects, continue reading below!

2026 Lower Floodplain Restoration

We are continuing our work restoring Coldstream Canyon and Cold Creek to improve habitat, increase downstream water quality, and prevent excess erosion and futher degredation. TRWC restoration in this area – which will take place Summer and Fall of 2026 – will re-establish riparian habitat and allow natural systems to return to filtering out excess sediment and other pollutants.

The project will restore approximately 1,600 feet of Cold Creek by reconnecting the stream with its floodplain and creating approximately 3.2 acres of new floodplain habitat, excavating the high stream banks of the current channel. This will allow the creek and floodplain to better slow, spread, and filter water, helping reduce excess sediment moving downstream.

The project will also re-establish approximately 1.9 acres of riparian habitat outside of the formal floodplain, supporting native vegetation and improved habitat for wildlife.

This work is part of our ongoing effort to restore natural processes and build a healthier, more resilient Coldstream watershed for years to come.

To learn more and stay up-to-date on TRWC projects like this one, subscribe to our E-Newsletter.

Still have questions? Please email info@truckeeriverwc.org.

2021 – 2024: Cold Creek Instream Restoration & Roads

Addressing Historic Impacts in Critical Headwaters Area

In 2024, TRWC completed 50 acres of stream channel and riparian floodplain restoration along a one-mile reach of Cold Creek. By reconnecting the channel to its floodplain, this project is increasing the groundwater retention table and reestablishing riparian habitat.

The project also created or enhanced 12 acres of wetland habitat by removing fill material placed from gravel mining activities. This increased groundwater levels and allowed wetland vegetation such as sedges, rushes, and willows to return, helping recreate one of our most threatened ecosystems – local wetland habitat.

TRWC also improved drainage along 13 miles of dirt roads to restore natural drainage patterns. This has helped to reduce extensive erosion, prevent excess sediment downstream, and reconnect the natural hydrology of the watershed.

2012 – 2013: Cold Creek Floodplain Restoration

Transforming the Health and Resiliency of our Watershed

In 2012 and 2013, TRWC restored and reconnected floodplain around an approximately 1,000-foot stretch of Cold Creek. The project removed excess fill to recreate historic floodplain habitat, installing floodplain features to encourage connectivity between channel flows and riparian habitat.

The project also installed organic bank stabilization features such as large logs and planted native vegetation to prevent future erosion and enhance habitat for birds, pollinators, and other wildlife.

2008: Pilot Pond Restoration

Helping to Heal Coldstream Canyon Subbasin

In 2008, TRWC began the first of several restoration projects identified in our Coldstream Canyon Watershed Assessment, completed the year prior. The project restored 7 acres of pond, meadow, mesic, and riparian habitat by:

  • Improving pond drainage system to prevent drainage blocks and resulting erosion
  • Replacing collapsed and failing culverts along road system with rock-armored low-water crossings to reduce slope erosion
  • Installing large rocks to prevent highly damaging off-road driving in unpermitted areas

Where it
all happens

Coldsteam Canyon is located 1 mile west of the town of Truckee off of Highway 80.
Fast Facts

Location: 1 mile west of the town of Truckee off of Highway 80

Restoration Scale: 55+ acres of stream channel complete or in progress

12+ acres of wetland habitat restored or in progress

13 miles of dirt roadway improved

Scope: 2007 – 2026

Timeline

Dig
deeper

For more information on assessments, monitoring, plans and reports pertaining to the restoration of Coldstream Canyon, check out this resources section.