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30-Grimes-Pass-Cemetery

Description

Tucked in the historic Old Centerville mining area of Boise County, Idaho, the Koppes Cemetery (also known as the Old Catholic Cemetery) offers a quiet, reflective stop for adventure motorcycle riders.

This small pioneer burial ground holds graves of the Koppes family and early Catholic settlers from the 1860s Boise Basin gold rush era, including blacksmith Michael Koppes. Dual-sport and ADV riders access it via forest roads off the Centerville Road from Idaho City or near Grimes Pass for a quick history break, photos, and a moment amid the pine-covered hills. Respect the maintained family site, pack in/pack out, and ride safe on the rugged backroads.

More Information


Coordinates: 43.918086, -115.896580
Elevation: 4350 ft
Difficulty: 2
What to Expect:

Check In

Use the form below to check in. Check-ins must include a photo of you or your bike at the challenge site with the 2026 bandanna. All participants must be registered IAMC Challenge Members. Leave a description of your ride and share road conditions — snow, water, obstacles, and tips for future riders are all appreciated.

Replying to another person's check-in is encouraged, but take care not to accidentally create your own check-in.

The stated difficulty is an estimate. Rating your experience helps future riders stay safe. You alone are responsible for the safety of your ride.

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3 Check-Ins

June 18, 2026 7:06 am
Bike: KTM 500
Difficulty: 3 / 5

This is kind of a 2 for 1 site

Check-in photo
June 2, 2026 8:37 pm
Bike: KTM 690 Enduro R
Difficulty: 3 / 5

Here I was thinkin' that I tagged the hell out of this site, and then I read Chatty's post and realize I missed the Catholic cemetery right by Koppes. I can't think of a better site/ride to visit twice. I really like this area (looks up Realtor.com for home/acreage prices).

Check-in photoCheck-in photoCheck-in photo
chattyJune 2, 2026 9:28 pm

I'll be doing the Summer 7 on the 20th, and we'll visit this site if you fancy joining us.

June 2, 2026 7:35 am
Bike: Beta 390RRS
Difficulty: 3 / 5

See my check-in for the Catholic Cemetery. https://motoidaho.com/challengesite/2026-51-centerville-catholic-cemetery/

Check-in photo