Contact
Updated Oct 26, 2026
The only way to reach us is email:
Useful things to send: a correction (include the page and the official source), a question about how a calculator works, or a note about an alert that looks wrong. This is a small independent site, so replies can take a few days.
What we cannot help with
- Bookings, refunds or changes to a tour. Contact the operator you booked with.
- Park permits, reservations and passes. Use the National Park Service or Recreation.gov.
- Emergencies. Call 911 or the park’s emergency number.
Please do not send sensitive personal information by email. See the privacy policy for how messages are handled.