Booking odds · May
Lower Onion Creek Group Sites in May: How Hard Is It to Book?
The verdict
Booking difficulty 10 out of 10. Gone within minutes of release. Bring a plan B.
Popular May dates usually sell out within a few days of release.
Lower Onion Creek Group Sites in May scores 10 out of 10 for booking difficulty — lottery-hard. Gone within minutes of release. Bring a plan B.
Across the last 3 years of reservation history, the typical May booking was locked in about 113 days before arrival, with the campground running roughly 89% full that month. The lightest arrival day is Wednesday, so shifting to a midweek start is the single easiest way to improve your odds.
How far ahead people book
Weekend vs. weekday demand
Best odds: arrivals are lightest on Wednesday in May. A midweek arrival is your easiest booking.
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Easier nearby options in May
If your dates are flexible, these nearby campgrounds are typically easier to book.
Lower Onion Creek Group Sites in May: common questions
- How hard is it to book Lower Onion Creek Group Sites in May?
- Lower Onion Creek Group Sites rates 10 out of 10 for May — Lottery-hard. Gone within minutes of release. Bring a plan B.
- How far in advance should I book Lower Onion Creek Group Sites for May?
- The typical May reservation was made about 113 days before arrival, so plan to book as early as your dates allow.
- When do reservations open for Lower Onion Creek Group Sites?
- Recreation.gov releases most campsites on a rolling window — commonly about six months before the arrival date — so May dates usually become bookable around six months ahead. Be ready the morning they release.
- What is the best day to arrive at Lower Onion Creek Group Sites in May?
- Arrivals are lightest on Wednesday. A midweek arrival is usually the easiest booking.