The Cave Guide

Tyendinaga Cavern & Caves

Tyendinaga, ON
Guided tour with an optional squeeze.
10°C
inside, all year
45 min
on the main tour
C$16
adult ticket

Guided tours of what the owners call Ontario's largest known cavern, with fossils, a wishing well, a moment of total darkness and an optional squeeze. Above ground there's a lookout and a 1 km trail.

The story

Charles and Elizabeth Koch found the cave after years of interest in geology and caving, and spent more than 30 years making it safe to visit, working by hand without drilling or blasting. It has been open to the public for nearly 20 years.

History source: tyendinagacaves.ca.

What you'll see

  • Wishing well
  • 450-million-year-old fossils
  • Lookout

Tickets and timing

Adults
C$16 (18–64)
Kids
C$10 (5–12), C$5 (3–4), free under 2
How long it takes
45 minutes
Hours
May 16–June 30 and Sept 6–Oct 11: weekends 10 am–4 pm. July 1–Sept 5: Monday to Saturday 10 am–5 pm.
Booking
Book online at least 48 hours ahead, or call for same-day visits.

Getting around underground

The walk
Several flights of stairs. Wear flat, non-slip shoes.
Wheelchairs
Not accessible because of the stairs.
Strollers
Not possible because of the stairs.

Dogs, weather and what to wear

Dogs
Not allowed.
Temperature
50°F / 10°C on average

Good to know

Photos
Photos yes, video no.
Food and drink
No food sold; bring a picnic.
On site
gift shop, picnic pavilion, 1 km walking trail

Getting there

BuffaloTorontoOttawa

Tyendinaga Cavern & Caves is in or near Tyendinaga, ON.

Directions in Google Maps

Distances are straight-line from each city center.

Questions people ask

How long does a visit to Tyendinaga Cavern & Caves take?

45 minutes

How cold is it inside Tyendinaga Cavern & Caves?

50°F / 10°C on average.

Can you visit Tyendinaga Cavern & Caves in a wheelchair?

Not accessible because of the stairs.

Are dogs allowed at Tyendinaga Cavern & Caves?

Not allowed.

Do you need to book Tyendinaga Cavern & Caves in advance?

Book online at least 48 hours ahead, or call for same-day visits.

Checked on 2026-10-23 against tyendinagacaves.ca (home, about and prices). Prices and hours change, so confirm on the official site before you drive out.

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