Pass the `router` instance down to Route children; React 0.13.3, React Router 1.0.0beta-4, ES2015, ES6

react-router-1.0.0-pass-router-in-props.js

import React from 'react';

// Top-level Route component receives the router in context and passes it onto each child's props
export default class AppView extends React.Component {
  render() {
    return (
      <div className="container">
        {
          // Add `props.router` to each route component
          React.Children.map(this.props.children, c => {
            return React.cloneElement(c, { ...c.props, router: this.context.router });
          })
        }
      </div>
    );
  }
}

AppView.contextTypes = {
  router: React.PropTypes.object.isRequired
};