⚓The Looper Log
The Looper Log Great Loop Navigation Map
6,000 Miles • 150+ Locks • Cruiser Community

Plan, Cruise, and Connect on America's Great Loop

The centralized hub built by and for Loopers. Search verified vessels with bridge clearance checks, track live navigational hazards, and share knowledge from the helm.

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Vessel Directory

Filter loop-ready trawlers, motor yachts, and tugs vetted against fixed bridge obstacles (19.6 ft in Chicago) and inland draft depth restrictions.

Browse Vessels →
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Hazard Lookout Map

Crowdsourced warnings from the helm: track shifting shoals, deadheads, lock repairs, and temporary bridge air-draft limitations.

View Live Alerts →
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Clearance Calculator

Test any boat dimensions against the fixed bottlenecks along the loop: Lemont Bridge (19' 6"), Champlain Canal (15' 6"), and eastern Erie Canal (21' 0").

Calculate Clearance →