Multi-use and hiking trails
Aesthetic and functional design, creative solutions to minimize impact and user conflict, a trusted public lands partner. Radius brings reliable and professional solutions to private and public land managers.
Mountain Bike Trails
Highlights from our extended portfolio:
- the popular Hello Kitty flow trail
- the 2017-2018 Collegiate National Championship Downhill course
- the 2025 Singletracks.com Best Adaptive Trail (Mission to MARS)
- design consultant on the new double-black diamond trail Marshall Arts.Radius brings a quantified, engineering-based approach to trail design, which ensures the final product meets client expectations and target skill level.
Trail system planning
Radius owner Brian Williams has extensive experience in planning from 10+ years working on trail development with agencies including multiple USFS Ranger Districts, Missoula County, City of Missoula, Montana State Parks, the Bureau of Land Management, and The Nature Conservancy.Radius has recently contracted to help develop trails plans for Five Valleys Land Trust (Missoula), Scenic Montana Trails (Seeley Lake), and Anaconda-Deer Lodge County, as well as private landowners.
Map and Sign Development
Radius offers cartography, GIS services and sign design for trail projects.
About
Owner Brian Williams is the former Trails Director for Missoula Mountain Bike Coalition (MTB Missoula). He is a lifelong cyclist and backpacker and has been designing and building trails in Montana since 2010, with over 75 miles of trails in his resume.With a background in welding, CAD, and product design, he is often found making custom tools and vehicles for trail work.He spends the rest of his free time dancing tango, practicing the bandoneon, and tending to his backyard orchard.
