Lake trip · Delaware County, Ohio
Where to stay at O'Shaughnessy Reservoir Lake
O'Shaughnessy Reservoir Lake covers - in Delaware County. Compare cabins, resorts, and vacation rentals below. The water-quality readings cover nutrients and algae; they are not a stay-or-skip rating. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
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Places to stay near O'Shaughnessy Reservoir Lake
Cabins, resorts, hotels, and vacation rentals near O'Shaughnessy Reservoir Lake in Delaware County, Ohio — live availability and prices. Add your dates to see totals.
Top-rated places to stay near O'Shaughnessy Reservoir Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
About the water
O'Shaughnessy Reservoir Lake has nutrient and algae measurements on record from state and federal monitoring. Algae (chlorophyll-a) measures 49.3 µg/L. Chlorophyll-a in the monitoring record runs high enough that algae is a factor. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim. The readings are not a reason to skip cabins and rentals around the lake.
See the full O'Shaughnessy Reservoir Lake water-quality report →
Best time to visit
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Check the National Weather Service forecast for O'Shaughnessy Reservoir Lake →
About O'Shaughnessy Reservoir Lake
Fishing & license
Ohio fishing license
A fishing license is required to fish Ohio public waters at age 16 and older; persons under 16 fish free (including taking frogs and turtles). Ohio residents age 65 and older (born on or after January 1, 1938) qualify for discounted Resident Senior licenses ($10.00 annual), and residents born on or before December 31, 1937 can obtain a free license. Free licenses are also available by application for mobility-impaired anglers, certain permanently disabled veterans, former POWs, and residents of state/county institutions. All Ohio residents may fish without a license on Free Fishing Days (June 20-21, 2026). · Fishing is open year-round in Ohio with no closed statewide season; species-specific daily limits and site-specific rules apply (e.g., Lake Erie walleye/yellow perch limits are set annually and run May 1, 2026 - April 30, 2027). Annual licenses are valid 365 days from the date of purchase, and the current regulations booklet is effective March 1, 2026 - February 28, 2027.
Prices as published by Ohio Department of Natural Resources, Division of Wildlife, 2026-27.
Camping & RV near O'Shaughnessy Reservoir Lake
Search public campgrounds and RV sites near O'Shaughnessy Reservoir Lake on Recreation.gov, then compare cabins, resorts, and rentals on the map above.
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around O'Shaughnessy Reservoir Lake in Delaware County, Ohio are on the map above with live availability and nightly prices. Waterfront rentals put you on the dock; lodging in the nearest town is usually cheaper with more choice.
O'Shaughnessy Reservoir Lake has nutrient and algae measurements on record from state and federal monitoring. Chlorophyll-a in the monitoring record runs high enough that algae is a factor. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.
Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Explore O'Shaughnessy Reservoir Lake
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Species activity outlook by water temperature and season
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Very high nutrients, dense algae, poor clarity
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LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for O'Shaughnessy Reservoir Lake: how to pick a clean lake, the water-quality signals that matter, best swimming and fishing windows, and where to stay.
Lodging availability and prices are provided by Stay22 and its booking partners (Booking.com, Vrbo, Expedia); LakeQuality may earn a commission from bookings at no extra cost to you. Water-quality readings are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.