City, County & Regional Parks · New York
Onoville Marina Park Campground
City, County & Regional Parks · New York, United States
- Season
- May 1 to October 12
- Cost
- $35/night; $200/week; $2,100 seasonal; extra tent $15/night (2026).
- Pets
- Yes
- Elevation
- 1,332 ft
- Dark sky
- Bortle class 1
- Lake
- Allegheny Reservoir
- Nearest town
- Steamburg
- Address
- 704 West Perimeter Road, Frewsburg, NY 14738
- Phone
- 716-354-2615
Site map
The imagery of the campground. Press and hold the map to drop your own pins and notes; the operator publishes no site points here. Your ratings, notes, pins and photos are kept with the campground on your Saved list, the same list the camping map and the drive page keep.
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About
Cattaraugus County marina and campground on the 12,000-acre Allegheny Reservoir, just north of the Allegheny National Forest. Transient sites require a 3-night minimum during peak season (July, August, holidays). Max stay 30 days per 60-day period; one RV per site. Open May 1 through October 12 in 2026, dates subject to change with reservoir water levels; reservations open in January through Campspot.
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 30° | 16° | -5° | 59° | 11 of 11 |
| February | 34° | 20° | -11° | 62° | 11 of 11 |
| March | 43° | 28° | 8° | 68° | 10 of 11 |
| April | 59° | 36° | 19° | 81° | 6 of 11 |
| May | 68° | 50° | 32° | 84° | 1 of 11 |
| June | 73° | 56° | 44° | 85° | 0 of 11 |
| July | 80° | 64° | 55° | 91° | 0 of 11 |
| August | 77° | 63° | 53° | 87° | 0 of 11 |
| September | 73° | 57° | 45° | 86° | 0 of 11 |
| October | 57° | 43° | 33° | 76° | 0 of 10 |
| November | 43° | 32° | 11° | 62° | 10 of 10 |
| December | 35° | 26° | 8° | 59° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Willow Bay Recreation Area · USDA Forest Service · 4 mi
- Willow Bay · USDA Forest Service · 4 mi · 109 sites
- Highbanks Campground · Tribal Lands · 4 mi
- Hooks Brook Boat Access Campground · USDA Forest Service · 5 mi · 4 sites
- Nct-Tracy Run North Shelter · USDA Forest Service · 5 mi
All public campgrounds in New York · Every state and province · Facts read from the operator 2026-09-04. Confirm fees, rules and current status with the operator before you go.