 Buckeye Creek is a small tributary that enters from the east with origins in Palo Alto Foohills Park, including Boronda Reservoir.Felt Creek is another small ephemeral tributary which begins in the Pearson-Arastradero Preserve, then passes north under Arastradero Road where it was dammed to create Felt Lake.The Felt Lake Diversion ditch begins at the intersection of Arastradero and Alpine Roads and diverts high winter Los Trancos Creek flows to join Felt Creek before the latter enters Felt Lake.