
Paddle the James (VA)
River exploration tool with full GPS-tagged 360° imagery, conditions, and access points.
Demonstration Capture — Late June 2026
A 30-Mile Demonstration on America's Longest Rail-Trail
Terrain360 has already captured the entire Missouri River — Sioux City to the Confluence — as part of the Lewis & Clark NHT. This summer we add the parallel land corridor: 30 miles of the Katy Trail in 360°, fully funded, free for the public, ready to seed a full 240-mile deployment.
→ Weigh in on which 30-mile stretch we featureThe Project
The Lewis & Clark National Historic Trail has been a multi-year focus for Terrain360 in partnership with the National Park Service. We have already captured the entire Missouri River from Sioux City to the Confluence — the same waterway the Corps of Discovery rowed up in 1804 and back down in 1806. Browse the live L&C NHT map.
The Katy Trail State Park runs parallel to the Missouri for the great majority of its 240-mile length. Pairing the river corridor (already complete) with the land corridor (30-mile demonstration this June, full 240 miles to follow) creates something neither can do alone: a single seamless exploration tool that lets stewards, visitors, and partners move between water and trail in one experience.
The 30-mile demo is fully funded by Terrain360. No cost to DNR, NPS, Magnificent Missouri, or any partner — the deliverable speaks for itself, and seeds the conversation about completing the full corridor.
The Corridor

In May 1804 the Corps of Discovery left St. Charles and rowed up the Missouri. The river cut through what would become the Katy Trail’s central corridor — Hermann, Jefferson City, Boonville, Arrow Rock — long before any of those towns existed. Lewis and Clark named landmarks, mapped tributaries, and met with the Otoe, Missouri, and Osage along this very stretch. They returned the same way in September 1806.
Eighty years later the Missouri-Kansas-Texas Railroad — the Katy — laid track along the river’s south bank. By the late 20th century the line was abandoned and converted, beginning in 1986, into one of the longest rail-to-trail conversions in the country. Today the Katy Trail State Park draws hundreds of thousands of visitors a year. What it lacks is the same kind of mile-by-mile virtual access that exists for the Lewis and Clark National Historic Trail elsewhere. This project closes that gap.
Lewis and Clark depart St. Charles, traveling up the Missouri along what is now the Katy corridor.
The expedition retraces the river back to St. Louis.
The Missouri-Kansas-Texas Railroad runs line beneath the river bluffs.
Missouri State Parks begins converting the abandoned MKT bed into the Katy Trail.
Demonstration capture launches; pairs with the already-complete Missouri River map.
We're open on segment selection — please pick what matters most to the Trail. Candidate stretches we'd be proud to feature:
We're open on segment selection — please pick the stretch that matters most to the Trail. Your input goes privately to the Trust; no tallies are shown publicly.
Thanks — your input goes straight to the Trust.
We'll weigh every response as we shape the 30-mile demonstration with DNR, Magnificent Missouri, and friends groups.
Public projects in the same format we'll deliver for the Katy. Click any to explore.

River exploration tool with full GPS-tagged 360° imagery, conditions, and access points.

Multi-state historic trail in 360°, partnership with the National Park Service.

Mountain-bike trail network with embedded condition reporting.

Dual-river exploration tool with USFS partnership.
Are you with DNR, NPS, Magnificent Missouri, a friends-of-the-trail group, a chamber, or a trail business? Drop your details and we'll be in touch about segment selection, introductions, and how the demonstration can complement your work.
Late June 2026. The 30-mile demonstration segment is fully funded by Terrain360 — no cost to DNR, NPS, or any partner.
We’re asking the people who steward the Trail. Candidate stretches include Rocheport tunnel, Hermann, Treloar, Defiance/Augusta, and the St. Charles terminus — but we’d love your input. Reach out with your preference.
The demonstration is intended to seed the conversation about a full corridor deployment. We will work with DNR, Magnificent Missouri, NPS, and partner orgs on what funding and timeline that would look like.
Free public access at terrain360.com alongside the existing Missouri River and L&C NHT maps. Embeddable URLs for partners.
Ryan Abrahamsen at Terrain360 — ryan@terrain360.com — or fill out the form above.