Skip to main content

Learn
Trail Development Process

Intro to Trail Development

Trail Labs: Foundations

Trail Accelerator Workshop

Engagement & Advocacy

Community Engagement & Advocacy

Action Cultivator Tool
Trail Funding

Funding

Trail Accelerator Grants

Apply for Dig In

Land Access

Access

Trail Management School
Trail Assessment

Assessment

Assess An Opportunity

Trail Friendly Community Self-Assessment

Trail Planning & Design

Planning & Design

Partner with a Planner
Trail Building

Construction

Trail Solutions

Trail Stewardship

Stewardship

Trail Care Schools

Become a Local Partner
Our Mission

To create, enhance and protect great places to ride mountain bikes.
Get Involved
Education

Programs & Workshops

Research & Data

Resources

Partnerships

Corporate Partnerships

Leading with Trails
IMBA Local

Find your Local Member Organization

Become a Local Member Organization

Local Leadership Guide

Dig In Projects
National Days

Take a Kid MTB Day

Women's MTB Day

Go Ride

Ride Vibes

IMBA Epics

IMBA Ride Centers
Our Focus

More trails close to home!
About Us
Who We Are

About Us

Staff and Board

Leading with Trails
How We Partner

Trail Advocacy

Trail Education

Trail Solutions
Our Impact

Blog

Events

News
Resources & Programs

Resources Hub

Research & Data

Programs & Workshops
Our Goal

To grow the quantity and quality of trail communities across the U.S.
Log In
Donate
Join Local

Support National

Singletrack Society
Search

Learn
Get Involved
About Us
Log In
Donate
Leading with Trails

Supporter log in

Welcome to IMBA.com!
If you haven’t logged in to this site before, you will need to reset your password.

Username or email address. Enter your username or email address

Password

Forgot/reset your password

Accounts are tied to financial gifts. Would you like to donate to IMBA's work or join your local mountain bike organization? Click here to learn more.

Home

Altadena, CA

Status

Engaged

Location

Altadena, CA, USA

Partner Links

Mount Wilson Bicycling Association

lat

34.190162

lng

-118.1313188

Location

Altadena, CA
United States

Questions?

Contact us

Registered 501(c)(3). EIN: 47-1254119

Quick links

About

Advocacy

Blogs

Events

Find your local group

IMBA Local

IMBA Trail Solutions

News and Alerts

Our team

Resource hub

Where to ride

The guidance on this website, and in other IMBA documents, is for reference only and should not be interpreted as a standard, specification or regulation. Mountain biking is inherently risky and could result in injury or death.

Sitemap

Explore IMBA

Ride

Engage

About IMBA

Donate

Overview
Join
Renew
Become a corporate sponsor

Help
Privacy policy
Copyright
Contact us

© 2025 IMBA. All rights reserved.

Help
Privacy policy
Code Of Conduct
Copyright
Careers

Loading...