The case for access.

The City’s current park profile: 5,200 acres, more than 80 trail miles, and Firelane 5 as the only narrow natural-surface trail open to bikes.

The official route and allowed-use map for understanding where bikes can—and cannot—go today.

Portland’s final citywide framework for off-road cycling facilities, implementation, management, and future site planning.

A concise overview of Portland’s recommendations and implementation pathway for off-road cycling.

Documents the access gap: roughly half a mile of Forest Park natural-surface trail alongside miles of unpaved access roads.

Portland’s own guidance for trail classes, construction, drainage, users, accessibility, and singletrack design.

Field research showing that alignment, grade, drainage, trail position, and use type all shape soil loss; design is central to impact.

A comparative review showing shared impact categories across trail uses and major gaps in direct mountain-bike research.

The City’s adopted cycling commitments, mode-share goals, and policy framework for building a more complete bicycle network.

A survey of 2,277 Forest Park visitors documenting activities, travel modes, demographics, and preferences—including existing bicycle use.

A record of local trail stewardship, programs, partnerships, advocacy, membership, and volunteer work.

NWTA’s announcement of a formal stewardship agreement covering Forest Park and Powell Butte.