Content starts here

CLOSE ×

Red Membership Card

AARP MEMBERSHIP

AARP Membership — $15 for your first year when you sign up for Automatic Renewal

Get instant access to members-only products, hundreds of discounts, a free second membership, and a subscription to AARP the Magazine.

Back to Things to Do

Massacre Rocks State Park

3592 N. Park Ln.

American Falls, ID 83211

Visit Website

208548-2672

Register Rock, located two miles from the park, is home to a huge boulder that holds the signatures of Oregon Trail emigrants who stopped for an evening of rest before continuing on their journeys.

Please use "Flag This Place" to alert us about content that is inappropriate or needs immediate attention. Nothing you submit will be shared with other site visitors.

AARP Events for American Falls

Virtual Gentle Chair Yoga & Guided Breathing

Friday, Jun 20, 2025 at 6:30 a.m. MT

Zoom

Online Event
Qigong With Nate: for Body, Mind and Spirit

Friday, Jun 20, 2025 at 11:00 a.m. MT

Zoom

Online Event
Tai Chi with Mitch for Relaxation and Strength

Friday, Jun 20, 2025 at 4:00 p.m. MT

Zoom

Online Event

View All AARP Events

Explore AARP social connections

image of two AARP membership cards

Only $15 your first year
with Automatic Renewal

Immediate access to your member benefits
Discounts on travel and everyday savings
Subscription to AARP The Magazine
FREE second membership

Already a member? Renew or Print Card

Facebook

Contact AARP
Idaho