York County Drainage Area and Land Use Calculator

Models a drainage area and calculates land use characteristics for a user defined area.

Boater's Guide to John Smith Chesapeake Trail

Follow Captain Smiths exploration of the Chesapeake Bay and its Great Rivers with the Conservancy's newest app. Plan a trip along the John Smith Chesapeake Trail from your computer, smart phone, or tablet.

Conservation Toolbox: CRLC

A suite of tools for assessing conservation and restoration value of individual parcels in portions of the James River watershed.

Conservation Toolbox: REL

A suite of tools for assessing the conservation and restoration value of individual parcels in Amherst County, Virginia.

Conservation Toolbox: HVLC

A suite of tools for assessing natural, scenic, agricultural, and historic value of individual parcels in the lower James River and York River watersheds.

Watershed Delineation

Identifies the 3 largest drainage areas on a property or boundary provided by the user.

Park Finder: Baltimore

A mobile-ready web app for location parks within 5, 10, and 15 minutes of a user's location in Baltimore City, MD.

RiverView: Baltimore Inner Harbor

A 360-degree virtual tour of Baltimore's Inner Harbor, a thriving port that also acts as a great place to access the John Smith Chesapeake Trail.

RiverView: Patapsco River

A 360-degree virtual tour of the Patapsco River, a 39-mile-long river in central Maryland which flows into the Chesapeake Bay.

RiverView: Fones Cliffs

A 360-degree virtual tour of Fones Cliffs, a four-mile cliff formation along the eastern shore of the Rappahannock River and a "Treasured Landscape" of the Chesapeake Bay.

RiverView: Rappahannock River

A 360-degree virtual tour of the Rappahannock River, a river of great significance to United States history.

RiverView: Mallows Bay

A 360-degree virtual tour of Mallows Bay, the largest shipwreck fleet in the Western Hemisphere.

RiverView: James River

A 360-degree virtual tour of the James River, the 12th longest river in the United States that remains entirely within a single state.

RiverView: Susquehanna River

A 360-degree virtual tour of the Susquehanna River, which pours about 20 billion gallons of freshwater into the Chesapeake Bay each day.

RiverView: West Branch Susquehanna River

A 360-degree virtual tour of the West Branch of the Susquehanna River, which pours about 20 billion gallons of freshwater into the Chesapeake Bay each day.

RiverView: Nanticoke River

A 360-degree virtual tour of the Nanticoke River, whose watershed is home to the highest concentration of bald eagles in the northeastern United States.

Mt. Vernon Viewshed Analysis Tool

An interactive web tool that helps landowners, developers, conservationists, and historians to understand the impact of development across the river from Mount Vernon.

Lower Susquehanna River Conservation Opportunities Analyst

Provides on-demand prioritization that balances multiple conservation needs along the lower Susquehanna River corridor.

Nanticoke River Conservation Opportunities Analyst

Provides on-demand prioritization that balances multiple conservation needs throughout the Nanticoke River corridor.

James River Watershed Land Cover Viewer

A web map viewer that allows users to explore a high-resolution (1 meter) land cover classification of the James River watershed in Virginia.

Baltimore Land Cover Viewer

A web map viewer that allows users to explore a high-resolution (1 meter) land cover classification of Baltimore City using 2013 aerial imagery.

Susquehanna River Freshwater Research - Unassessed Waters

A visualization of wild trout presence and absence in streams of the Susquehanna watershed in Pennsylvania.

NAIP Imagery Change Detection Tool

A simple swipe tool for comparing NAIP imagery from 2011 and 2013. The bookmarks included show significant landscape impacts/changes.