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Horsepen Branch Hiker-Biker Overnight (HBO) Campsite
NPSNational Park Service — Poolesville · Maryland · Chesapeake & Ohio Canal National Historical Park
| Agency | NPSNational Park Service |
|---|---|
| Area | Chesapeake & Ohio Canal National Historical Park |
| Location | Poolesville · Maryland · Chesapeake & Ohio Canal National Historical Park · 39.06938, -77.39804 · Map |
| Sites | Not reported — the federal listing names no individual sites for this campground |
| Getting a site | First-come, first-served only — this campground takes no reservations. |
| Hookups | Not reported in the federal data |
| Max RV length | Not reported in the federal data |
| Months open | Not in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov. |
| Fees | Not reported — the federal listing carries no fee description for this campground. |
| Accessibility | No |
| Phone | (301) 739-4200 |
Check availability & book on Recreation.gov →
This site takes no reservations and shows no live availability. Source: Recreation.gov (RIDB export pulled November 5, 2026); this listing was last updated in the federal record on 2026-09-29.
From the official listing
Mile 26.1 - Hiker-biker campgrounds are located along the towpath approximately every 5-7 miles. No fee or reservation required. Overnight stays are limited to one night. All sites include a chemical toilet, picnic table, grill, and drinking water.
Please Note: Potable water may not be available at each campsite. Water is treated with iodine. Please plan to have water purification tablets with you. Water is turned off from November 15 to April 15 each year.
Directions, from the listing
Horsepen Branch Hiker-Biker Overnight (HBO) Campsite directions and information are available at https://www.nps.gov/choh/planyourvisit/camping.htm .
Nearest federal campgrounds
5 mi straight-line · Poolesville MarylandNPSNational Park ServiceTurtle Run Hiker-Biker Campsite
8 mi straight-line · Poolesville MarylandNPSNational Park ServiceSwains Lock Hiker-Biker Campsite
9 mi straight-line · Potomac MarylandNPSNational Park ServiceMarble Quarry Hiker-Biker Campsite
9 mi straight-line · Poolesville MarylandNPSNational Park ServiceMarsden Tract Group Campsite
12 mi straight-line · Williamsport Maryland
Trip Card — Horsepen Branch Hiker-Biker Overnight (HBO) Campsite
Poolesville · Maryland · Chesapeake & Ohio Canal National Historical Park
| Agency | NPS · National Park Service |
|---|---|
| Location | Poolesville · Maryland · Chesapeake & Ohio Canal National Historical Park |
| Fees | Not reported in the federal data |
| Getting a site | First-come only |
| Hookups | Not reported |
| Max RV | Not reported |
| Months open | Not in federal data |
| Sites | Not reported |
Book: recreation.gov/camping/campgrounds/251604 · Source: Recreation.gov, pulled November 5, 2026. Facility details come from federal recreation data and may be out of date — this site takes no reservations and shows no live availability; confirm details and book through Recreation.gov or the managing agency.