Inclusion Criteria:

- One or more CNS hemangioblastomas not amendable to surgical resection or recurrent
post resection

- Confirmed diagnosis of von-Hippel-Lindau disease

- No prior treatment with VEGF inhibitors

- Index hemangioblastomas lesion at least 5mm on MRI

- No major bleeding event from hemangioblastoma within 90 days

- KPS > or equal to 60%

- Age > or equal to 18 years

Exclusion Criteria:

- Prior treatment with VEGF inhibitors

- Major bleeding event from hemangioblastoma within 90 days

- Inability to comply with study and/or follow up procedures

- Life expectancy of less than 12 weeks

- Current or recent (within 4 weeks of the first infusion of this study) participation
in an experimental drug study other than a Genentech sponsored bevacizumab cancer
study

- Active malignancy will be permissible if treating physician deems that concurrent
administration of bevacizumab is not contraindicated and that the patient would be
able to complete with the other parameters of the protocol