Protecting South Boulder Creek

When the decision was made to safeguard the drinking water supplies for Denver and Boulder, we helped get it done.

Nestled between the 14,000-acre James Peak Wilderness and sprawling rural subdivisions and urban areas in the South Boulder Creek watershed lies the 4,700-acre Toll property. It is one of the largest intact private holdings along Colorado’s Front Range and sits within an hour of Denver/Boulder. This land is a key part of the history of this area of Colorado, as it was the center of the early 1900s railway bustle when the switchbacking Giant’s Ladder railway was built over Rollins Pass and thousands of Denver’s residents riding the line would stop in the town of Tolland for lunch. Today, Amtrak’s California Zephyr still passes through the Toll property and under the Continental Divide via the Moffat Tunnel as it shuttles passengers between Chicago and San Francisco.

The tradition of land preservation runs deep in the Toll family. In 1994, the late Henry Toll Jr. and his brother Giles Toll conveyed 1,320 acres to the U.S. Forest Service, paving the way for James Peak Wilderness to be established in 2002. A generation earlier, Roger Wolcott Toll played a role in establishing Rocky Mountain National Park and later served as park superintendent. In 2015, the family once again made a commitment to preservation when they worked with TCF to ensure that the remainder of their large landholding in the South Boulder Creek watershed would be conserved in perpetuity.

Our Role

The Conservation Fund facilitated this multiyear effort to conserve all 4,700 acres owned by two branches of the Toll family for over 120 years. A conservation easement through the U.S. Forest Service’s Forest Legacy Program was placed on 3,334 acres with funding from the Land and Water Conservation Fund, Boulder County and Great Outdoors Colorado. This land remains in the Tolls’ private ownership, and the easement is held by the Colorado State Forest Service. An additional 823 acres, buffering the James Peak Wilderness Area, were acquired by the U.S. Forest Service.  The last 539 acres, including the ecologically important Mammoth Gulch riparian corridor, were acquired by Denver Water.

Completing this conservation easement proves how a collaborative partnership of land trusts and local, state and federal governments can work with private landowners to achieve a significant legacy of land preservation for generations to come.”
Deb Gardner

Boulder County Board of Commissioners

Why This Project Matters

A top priority for federal, state and local agencies, the Toll property protects drinking water supplies for Denver and Boulder and ensures that the scenic landscape approaching the James Peak Wilderness remains unchanged. The federal lands that surround the private Toll property — James Peak Wilderness, Indian Peaks Wilderness and the Roosevelt National Forest — are popular year-round destinations for outdoor recreation. These activities provide local jobs and support Colorado’s substantial outdoor recreation economy.

The Toll property contains a broad system of Nordic trails operated by Eldora Mountain Resort. The trails are popular among recreational skiers, local ski clubs and schools, and the University of Colorado’s Nordic team. Completion of this project also comes with an agreement to establish an important new trail link that will be managed by Boulder County. The new nonmotorized trail will cross the private Toll property and connect with popular recreation areas on national forest lands that adjoin it on the east and west.

Photo credits (from top of page): Ivan LaBianca

Project Staff

Christine Quinlan
Colorado Associate State Director

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